90 



PROCEEDINGS OF THE ACADEMY OF 



[March, 



and Evermann ^ differs in that there are five rows of scales on the 

 cheek. 



28. Mollienisia latipinna Le Sueur. Mud Fish. 



Color in life brown. Side of head with gray and same color on 

 costal region. Iris brown. Lower surface of body white. Dorsal 

 and caudal with grayish-brown spots and other markings of brown, 

 blackish-brown and dull amber-color. Some examples with caudal 

 dull amber in middle basally and a lower series of longitudinal lines 

 of dots of pale amber. Ventral and anal white. 



This species was found to be very abundant in the pools on Boca 

 Chica Key, associated with other small fishes. Many are males with 

 the dorsal fin enlarged and the edge of the caudal blackish. 



MASTAOCEMBELID^. 



29. Tylosurus notatus (Poey). Gar. Fig. 6. 



Color in life clear hyaline-green overshot with silvery. Greenish 

 about edge of opercle. Iris silvery. A narrow greenish line from 

 origin of pectoral above to base of caudal. Vertical fins pale greenish- 

 brown, tinted slightly with ruddy. 



Boca Grande, Big Pine and Boca Chica Keys, also Hailer's Rock 

 and the Marquesas. 



Tylosurus notatus (Poey). 



Found in small pools on some of the Keys. They usually associate 

 in small schools in the shallows or near the shore. When in the water 

 their bodies have a transparent appearance and in some lights are 

 difficult to distinguish. They are also fond of lurking about over- 

 hanging mangroves. 



^Bull. U. S. Nat. Mus., No. 47, IV, 1900, PI. 112, fig. 2&7. 



