VERTEBRATE ZOOLOGY 



Fig. 9G. — Eggs and egR-easc^s ot fishes. A, Bdellosloma , egg-case; B, upper 

 pole of same, showing hooks and micropyle (after Ayers); C, Myxine (after 

 Steenstrup); D, a process of same; E, I'ciromyzon mariniif:; F, Scijllium (after 

 Gimthcr). G, Rnja; IT, Ilctcrodoiilas (after Gunther); J, Ccratodus (after 

 Lemon); K, Lcpidosleitf:; L, Acipcnser; M, Arias, showing hirva (after Gi'uither); 

 N, Semumfi; O, Alosa: P. Illcimius, egg-capsules attached; Q, the same en- 

 larged (after Guitcl.) (From Lankester, after Dean.) 



