46 REVIEWS AND BOOK NOTICES. i 
Fig. 7. 
Embryos of Worms. 
Fig. 7, Serpula; Fig. 8, Spio: Fig. 9, Melicerta (Rotifer); Fig. 10, Pileolaria; Fig. 
Phoronis; (Pig: p Ah ei Figs. 8 and 10, from laparede ; F .9, from Huxley; F 
? a = 
o 
Embryos of Brachiopods. 
Figa. 19. 12 14 mi E4. FFAN poe eo re 
ts 5 > 
ji f \ | 
Figs. 15, 16, 17, Terebratulina (original). 
wd 
