2832 Bulletin 47, United States National Museum. 



arched. Head about \ of length to base of caudal; very little arched 

 transversely. Snout short, not as long as the eye; chin steep. Mouth 

 medium; upper jaw protractile. Teeth in outer series bicuspid. Eye 

 large, nearly equal to interorbital space, \ longer than snout, f- of head. 

 The specimen examined had 4 branchiostegal rays on each side ; whether 

 this is normal must he decided from others. Fins small ; dorsal origin about 

 3 of the distance from snout to caudal; anal opposed to dorsal; posterior 

 margin of caudal suhtruncate. Olive to reddish brown, with scattered 

 small spots of darker on the back, a darker band with or without spots of 

 dark along the flank, more distinct posteriorly. Fins with fine dots of 

 dark color. Parras, Coahuila, Mexico. (Named for Prof. Samuel Garman 

 of the Museum of Comparative Zoology, in recognition of his valuable 

 studies of the Cyprinodonts.) 



Caracodon lateralis, GARMAN, The Cyprinodonts, Mem. Mus. Comp. Zool., xix, No. 1, pi. 1, 

 fig. 9, 1895, Parras, Coahuila, Mexico; not of GUNTHER. 



984 (b). HARACODON LUITPOLDII, Steindachner. 



Head 4 to 4|; depth 3 to 3&; eye 4 to 4 in head; snout 3 to 3; inter- 

 orbital If to 2. D. 14 ; A. 15 or 16; P. 15 or 16; V. 6; scales 40-17. Body 

 moderately slender; caudal peduncle strongly compressed; head short; 

 upper profile slightly arched, somewhat depressed at occiput; ventral out- 

 line more convex ; bases of anal and dorsal quite oblique. Dorsal rounded, 

 longest ray If in head ; anal somewhat smaller. Outer teeth slender, mov- 

 able, broadened toward front of jaw which is notched; behind these a 

 hand of minute teeth, scarcely distinguishable. Two rows of scales below 

 eye; preorbital, jaws, and narrow border of preopercle scaleless. Pecto- 

 ral shorter than head, not reaching ventrals, which are nearer snout than 

 base of caudal; origin of dorsal nearer base of caudal than gill opening; 

 anal slightly behind dorsal. Color in alcohol, upper half of body light 

 brown or brownish gray, lighter gray or silvery gray below, fading to 

 yellowish white toward ventral line ; a silvery gray band along middle of 

 side, not well defined, its width that of 1 or 2 scales. Lake Patzcuaro, 

 Mexico. (Steindachner.) 



Oharacodon luitpoldii, STEINDACHNER, Einige Fischarten Mexico, 12, pi. 2, figs. 3-3b, 1895, 

 Lake Patzcuaro, Mexico. (Coll. Princess Theresa von Bayern.) 



Page 675. Carman refers Cyprinodon elegans to the synonymy of C. 

 eximius and C. felicianus to that of C. riverendi, both of which seem to be 

 correct. 



Page 680. Ganibmia infans is probably identical with G. gracilis, as 

 indicated by Garman. 



Page 681. Garman calls our Gambusia affinis G. patruelis and makes G. 

 holbrooU, the northern form, a distinct species, neither of which views 

 seems to be justifiable. 



Page 682. Gambusia nobilis and G. nicaraguensis are referred by Garman 

 to the synonymy of G. gracilis, which is questionable; but his reference to 

 G. puncliculata of G. picturata is probably correct. 



