A HISTORY OF HERTFORDSHIRE HYDRIOMENID./E (continued) Xanthorhoe didymata, L. St. Albans, Brictet Wood and Bamville Wood Farm, Har- penden Common (A. E. G.) ; Sandridge (Griffith); Hitchin (Durrant); Hailey- bury (Bowyer) ; East Barnet (Gillum) ; Bushey (Cults) ; Watford (Spencer, Heaton, Wigg) ; Bushey Heath (Bar- raud) ; Tring (Elliman) ; Cheshunt (Boyd) Generally common spadicearia, Bkh. (ferrugaria, Hw. ; ferrugata, Clerck). St. Album (A. E. G.) ; Sandridge (Griffith) ; Hitchin (Durrant) ; Haileybury (Bow- yer) ; East Barnet (Gillum) ; Watford (Cutts, Heaton, Wigg) ; Bushey Heath (Barraud) ; Tring (Elliman); Cheshunt (Boyd) A common species ferrugata, L. (unidentaria, Hw.). Bricket Wood and Shenley (A. E. G.) ; Sandridge (Griffith) ; Hitchin (Dur- rant) ; Haileybury (Bowyer) ; Hert- ford (Stephens) ; Watford (Spencer, Heaton, Wigg) ; Bushey Heath (Bar- raud) ; Oxhey (H. Rowland-Brown) ; Hemel Hempstead (B. Piffard) ; Tring (Elliman) ; Cheshunt (Boyd) Common designata, Rott. (propugnata, F.). Rad- lett, Bricket Wood, Symonds Hyde and Knebvuorth (A. E. G.) ; Sandridge (Griffith) ; Haileybury (Bowyer) ; Hertford (Stephens) ; East Barnet (Gillum) ; Watford (Cutts, Spencer, Wigg) ; Bushey Heath (Barraud) ; Theobalds (Boyd) This species is often to be com- monly met with. Mr. Barraud notes that the first brood is less abundant than the second, and he finds specimens of the later brood to be smaller and not so well marked quadrifasciaria, Cl. St. Allans (A. E. G.) ; Sandridge (Griffith) ; Hitchin (Durrant) ; Haileybury (Bowyer) ; Hertford (Stephens) ; Watford (Wigg) ; Hastoe Lane, Tring, on a fence (Elliman) firmata, Hb. Bracket Hall (Griffith) ; scarce round Cheshunt (Boyd) montanata, Bkh. Abundant every- where fluctuata, L. St. Albans and Ashridge (A. E. G.) ; Sandridge (Griffith) ; Hitchin (Durrant) ; Haileybury (Bowyer) ; East Barnet (Gillum) ; Bushey (Cutts) ; Watford (Cutts, Spencer) ; Bushey Heath (Barraud) ; HYDRIOMENID.S (continued) Oxhey (H. Rowland-Brown) ; Tring (Elliman) ; Cheshunt (Boyd) A common species. A variety of smaller size has occurred at Ashridge Xanthorhoe olivata, Bkh. Tolerably com- mon at Tring (Elliman) viridaria, F. (pectinataria, Km. ; miaria, Bkh.). St. Albans and Bamville Wood Farm, Harpenden Common (A. E. G.) ; Sandridge (Griffith) ; Hitchin (Dur- rant) ; Haileybury (Bowyer), ' Roman road, Heath,' School List ; Watford (Spencer, Heaton, Wigg) ; Oxhey Wood (H. Rowland-Brown) ; Tring (Elliman) ; Broxbourne Woods (Boyd) STERR.HID.ffi Eois muricata, Hum. (auroraria, Bkh.). Bishop Stanford (Mellows) Mr. Mellows states that he caught a number of these little insects flying round a haystack in Bishop Stortford in 1898, but has seen none since that date virgularia, Hb. (incanaria, Hb.). Sand- ridge (Griffith) ; Hitchin (Durrant) ; Haileybury (Bowyer) ; East Barnet (Gillum) ; Bushey Heath (Barraud) ; Tring (Elliman) ; Cheshunt (Boyd) Common at Cheshunt ; Mr. Bar- raud has only taken a few straminata, Tr. Haileybury, not com- mon (School List) dilutaria, Hb. (interjectaria, B.; osseata, Stt.). St. Albans and Bamville Wood Farm, Harpenden Common (A. E.G.) ; Sandridge (Griffith) ; Haileybury (Bowyer) ; Watford (Heaton) ; Berk- hamsted (A. T. Goodson) ; Tring (Elliman) ; Cheshunt (Boyd) Generally common. ' Osseata not common ; interjectaria at " light " (Haileybury School List) subsericeata, Hw. Haileybury (Bowyer); East Barnet (Gillum) Rare inornata, Hw. Langley Wood (Griffith) aversata, L. Bricket Wood (A. E. G.) ; Sandridge (Griffith) ; Hitchin (Dur- rant) ; Haileybury (Bowyer) ; East Barnet (Gillum) ; Bushey (Cutts) ; Watford (Spencer, Wigg) ; Bushey Heath (Barraud) ; Oxhey (H. Row- land - Brown) ; Tring (Elliman) ; Cheshunt (Boyd) A common and variable species emarginata, L. Sandridge (Griffith) ; Haileybury (Bowyer), ' Roman road,' School List ; Tring (Elliman) ; Flamstead End (Boyd) 136
