new Central- American Fishea. C5 



2. Jiivulus Oodmnnni. 



D. >S. A. 11. Sc. 3o. Diameter of eye 3 in the lcn;^tli 

 of luaii. End of i\\m\ below miiltUe of ilor.sal. Olivaceom, a 

 darker spot on each scale ; operculum bhickish ; vertical Hiis 

 dusky, the caudal with a narrow pale edge and below with 

 a blackidh intrauiarginal stripe; caudal ocellus sometimes 

 prestMit. 



J/ul). Guatemala (Oodman). 



Total length 40 mm. 



3. Pcecilia scdvatoris. 

 Pcecilia thermalis (non Steind.), Giinth. Cat. Fish. vi. p. 341 (186G). 



D. 10-11. A. 8-9. Sc. 27-30. Closely allied to 

 P. spJienops, C. & v., but with the body not so deep, the 

 interorbital sj)ace broader, and the free edge of the dorsal fin 

 straight instead of convex. Olivaceous ; males witii more or 

 less distinct cross-bars; dorsal with 2 series of vertically 

 expanded blackish spots, sometimes absent in females ; 

 caudal, in the males, with oblong blackish spots. 



Ilnh. San Salvador, in warm springs [Dow). 



Total length 5o mm. 



4, Xiphophorus strijatus. 



Xiphophorui* Helleri (non Heck.), Meek, Zool. Pub. Columbian Mus. r. 

 1904, p. lo7. 



D. 12-14. A. 9-10. Sc. 28-30. A blackish lateral stripe 

 from eye to base of caudal ; no additional stripe in the males. 



JIah. Southern Mexico, Vera Cruz and Oaxaca. 



The true A'. Jlelleri is the species named X.jalapa by 

 Meek, males of which have two lateral stripes. 



5. Xiphophorus hrevis. 



D. 13-15. A. 9-10. Sc. 27. Depth of body 2^ to 22- in 

 the length. 3 or 4 indistinct dark longitudinal stripes at the 

 edges of the series of scales on the sides of the bo ly. 



Nab. British Honduras, Stann Creek [Robertson). 



Total length 75 mm. 



G. Agonoslomus macracanthus. 



D. IV, 18. A. II 10. Sc. 41-43. Upper lip very thick, 

 as in A. tidsutus. Maxillary extending to btdow middle of 

 eye. Dorsal spines strong, the first .^-;] the length of head or 



Ann. <£• Ma^. X. Hist. Ser. 7. Vol. xix. 5 



