REVIEWS AND BOOK NOTICES. 51 
Fig. 31. Fig. 32. 
Segmental organs of worms. 
Lumbricus; Fig. 31, Pectinaria; Fig. 32, Eunice; Fig. 33, Stylodrilus; Fig. 34, 
o: 
_ Fig. 30, . 
Nereis; se, segmental rgan, 
genitalia, v, vascular channel, 7, intestine; Fig. 30 is 
from Lankester, the rest From Clapartde, ao se : . 
Fig. 36. Fig. 37 Fig. 38. 
Segmental organs of the Brachiopods. 
Fig. 35, Discina; Lingula; Fig. 37, Rhynchonella; Fig. 38, Terebratulina. 
Sichuacvece me ives Ealo np Sret Pal Ag i en ae 
