79 stola Secunda ad Riolanum ; p. 613, Ep. ad Slegelium), will see, I think, that he had Greek in abundance at his command, and used it just when it helped him to express his thoughts more clearly and concisely than any other words at hand at the mo- ment. He used it, in fact, like a man of sense and real learning, when the use of it would save him time or trouble — two things, of one of which he had all too little, whilst of the other he had all too much for his and our good. Let me add that, in the one authentic MS. which we now possess of Harvey's (No. 486, Sloane Coll., British Museum), a MS. never intended for publica- tion, and consisting but of rough notes for lectures to be delivered, I find that he employs Greek words in several places (e. g. pp. 65, 66 and 87) <i. q I have no sympathy with the eagerness which scien- tific men sometimes (see Fritz Mtiller, Fiir Darwin, p. 28 ; Dallas' Engl. Trans, p. 42) show in repudiating a know- ledge of Greek, hut on the other hand I should be sorry to be thought to overrate its value. I am so far from doing this that I incline to thinking that, when through want of leisure or of means, or through some other de- ficiency, a young man cannot add on more than a second