ESOCIFORMES 



401 



GROUP A. Carnivorous ; with strong jaws and short intestine. 

 Anableps, Art. (Fig. 394); America. Gambusia, Poey (Fig. 393) ; America. 

 Orestias, C. and V. ; mountains of S. America. Prolebias, Sauv. ; and 

 Pachylebias, A. S. W. Miocene, Europe. C'yprinodon, Lac. ; America and 



Fm. 393. 

 Gambusia affinit, Brcl. and (irl., male. (From Jordan and Evermaim.) 



Mediterranean region. Haplochilus, M'Cl. ; America, India, Africa. 

 Fundulus, C. and V. ; Europe, America, Africa. 



GROUP B. Mud-eating ; with long convoluted intestine and weak 

 jaws. Poecilia, Gthr. ; Mollienesia, Les. ; Platypoecilus, Gthr. ; Girardinus, 

 Poey S. America. 



Family AMBLYOPSIDAE. Closely related to the Cyprinodonts but 

 with a scarcely protractile mouth, and pelvic fins vestigial or absent. 

 The anus moves forward to near the head. Viviparous. 



vii, Gill. (From Jordan and Evermaim.) 



Some, like Choloyaster, live in the open, and are pigmented and 

 provided with normal eyes. Others, like Amblyopsis and Typhlichthys, 

 live in caves, and lose their colour and their eyes. 



Chologaster, Ag. ; AmUyopsis, De Kay (Fig. 395) ; Typhlichthy*, 

 Ger. N. America. 



SUB -TRIBE D. The air-bladder is closed, the lower pharyngeals 



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