FIG. 189 



Figs. 186-199. ^-na s ar >d e gg cases of fishes. Ail of about actual si/.e except 189-91; 

 these have been reduced about two-thirds. 186. Bdellostoma: germ disc (?) at upper pole 

 and in 186 A terminal hook processes and micropyle. (After AYERS.) 187. Myxine. (After 

 STEENSTRUP.) 187 A. Terminal process. 188. Petromyzon mar inns. 189. Shark, Scy Ilium. 

 (After GUNTHER.) 189 A. Skate, Kaja. 190. Port Jackson shark, Cestnicion. (After 

 GtJNTHER.) 191. Chimaeroid, Callorhyncluts. (After GiJNTHER.) 192. Lung-fish, ( 'riatfldus. 

 (After SEMON.) 193. Ganoid, Lepidosleus. 194. Ganoid, Acipetiser. 195. Siluroid, Arius, 

 showing larva. (After GO NTH ER.) 196. Teleosts : sea-bass, .Stv/./v/cr, and 197. shad, Alosa. 

 198. Blennv, ftiemiiits, showing attached egg capsules. 199. Enlarged Blennius (after 

 GUITEL), showing mode of attachment of capsule. 



181 



