NO. 1478. SAXTO DOMINaO FISHES— EYETlMAyX AM) (JLAIIK. 



858 



to dorsal ilattened !i})ove; hoad small, upper outline straight, lower 

 curved; mouth a small horizontal cleft, in line with axis of eve; pre- 

 maxillarics very protractile; teetli on edge of jaw very small,"conical, 

 brown-tipped, apparently in one row, and loosely set in the weak 

 lower jaw. 



Dorsal shoi-t, rather low, its longest ray about 2.3 in head, its base 

 2.5, its origin about midway ])etween tip of snout and end of caudal 

 tin or midway between gill-slit and base of caudal; anal similar to 

 dorsal, its origin under third dorsal ray; ventrals a})out l.i; in head, 

 their tips reaching vent; length of pectoral about 1.5 in head, the tip 

 scarcely reaching origin of ventrals. "* 



Color in alcohol, yellowish, with a rather ))roa(l distinct black line 

 along middle of back, and a ])lack Idotch at posterior part of base of 

 dorsal tin; side dusk}^ above, the color due to tine punctulations dis- 

 tributed mostly at the bases of the scales, the posterior margin^ of 

 each scale 3'ellowish; bellv, lower half of side, and under parts of head 



Fig. 2. — Platypiucilus dominicensis. 



yellowish; pectoral and dorsal <lusky, other tins plain; tip of lower 

 jaw dusky, gill-covers dusky, gill-cavity dark; peritoneum black. 



The collection contains ?> specimens, all females, about 1.5.to 2 inches 

 in length. 



This species is closely related to /'/(/fj/jm'cHns peruf/ia\ from which 

 it diiiers, however, in the thicker ])ody, the less arched back, the 

 smaller eye, in the presence of a very distinct black line along median 

 line of hack, and in the darkei- coloration of the back and upper parr 

 of side; the interorbital space is also wider and the caudal peduncle 

 deeper. 



The type specimen contained 12 eggs, yellow in color, and al)out 



one-ninth inch in diameter. 



Type.— Csit. No. 53277, U.S.N.M., a female 2 inches long, collected 

 in a small stream in the San Francisco Mountains in the intei-ior 

 of Santo Domingo, some 40 miles from Santo Domingo City, Septem- 

 ber, 1905, by August Busck; cotypes, No. 1484, Bureau of Fisheries, 

 and No. 9350, Stanford University, from same locality. 



