778 



INDEX. 



Page. 



Yoldia Gouldii 690 



limatula 689, 432, 435, 518 



obesa 690 509 



sapotilla 689, 509, 518, 521 



thraciformis 690, 509 



Zanclea gemmosa 735 



Zirfsca crispata 671, 433 



Page. 



Zirphsea crispata 671 



Zoanthus Americanus 740 



parasiticus 740 



Zoea and megalops 451 



Zostera marina 460 



Zygodactyla Grcenlandica 729, 449, 454 



1 



