FIG. 189 



^■inm^ 



Figs. 186-199. — liggs ^nd egg cases of fishes. Ali of about actual size except 189-91; 

 these have been reduced about two-thirds. 186. Bdellosto^na: 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 7nar'niiis. 189. Shark, ..SV_>'///«?«. 

 (After GUNTHER.) 189 A. Skate, Raja. 190. Port Jackson shark, Cestracion. (After 

 GOnther.) 191. (Z\\\m.-xxo\^, Callorhynchus. (After GiJNTHER.) 192. 'LMX\g-^^\\, Ceratodus. 

 (After Semon.) 193. (janoid, Lepidosteus. 194. Ganoid, Acipenser. 195. Siluroid, Arius, 

 showing larva. (After GUNTHER.) 196. Teleosts : sea-bass, .V^/v-/;///!, and 197. shad, ^-i/fl.ya. 

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

 Guitel), showing mode of attachment of capsule. 



181 



