li 
| 
to to = 
elle |=] 
. Sertularia gelatinosa. a 
. Ephydatia canalium, nat. size. : = 
EXPLANATION OF THE PLATES. 
PLATE IV. 
. Vitrina pellucida, - vol. i. 
. Eolida purpurascens, : = 
. Patella vulgaris, - i 
. Terebratula cranium. a, Inside of the larger 
valve. 6, Inside of the smaller valve. = 
. Terebratula aurita. a, 6, The two valves viewed 
externally. c,d, The corresponding valves view- 
ed internally, all the four nee a little saeeat 
fied. - 
. A, B, C. Three species of “the genus Nirmus, 
found on the Anser erythropus, magnified, 
. A species of Argas, found on Falco tinnunculus, 
magnified, - = z 
PLATE V. 
. Coryna squamata. a Natural size. b magnified. 



glandulosa. a 
b 



Furocerca: Fs i = 
CORRIGENDA. 
VOL. I. 
Page 53. line From the top, after superior add to 











125. — — for facility read faculty 
— 238. — o —_——_-——-—. consistent inconsistent 
— 250. — 21. —_-_——-——-—_ property propriety 
—— 263. — 18. — been become 
— 402.-—- 9. —————before evolution insert internal 
VOL. II. 
Page 121. line 14. from the top, for the read their 
120. — 25, —- — fifth fiftieth 
201. — 9. ——— division denizen 
—— 268. after line 13. add, 1. Body furnished with feet. 
—— 579. — 1. before Strepsiptera insert ORDER Vit. 



459 
470 
474: 
4.98 
ib: 
586 
558 
616 
ib. 
614 
618 
