512 NEW YORK STATE MUSEUM 



nected; gill rakers very short; scales moderate, rough; lateral 

 line complete; no enlarged ventral plates; dorsal fins large, the 

 spinous dorsal longer and lower than the second, of about 13 

 spines; anal smaller than second dorsal, with two strong spines; 

 ventrals moderately separated; pectorals long, symmetric; ver- 

 tebrae (blennioides) 19+23=42; pyloric caeca four; frontal 

 region of skull very narrow, ethmoid region abruptly decurved, 

 parietal region moderately convex (less so than in E t h e o - 

 s t o m a, more so than in B o 1 e o s o m a) ; no supraoccipital 

 crest. Coloration largely green. 



252 Diplesion blennioides (Rafinesque) 

 Green-sided Darter 



Etheostoma (Diplesion) blennioides RAFINESQUE, Journ. de Physique, 419, 



1819. 



Etheostoma blennioides BEAN, Fishes Penna. 121, 1893. 

 Diplesion Uennioides JORDAN & GILBERT, Bull. 16, IT. S. Nat. Mus. 497, 1883; 



JORDAN & EVERMANN, Bull. 47, U. S. Nat. Mus. 1053, 1896, pi. GLXX, 



fig. 449, 1900. 



The body is stout and long; the head moderate in size, its 

 length contained four and one half times in the total without 

 caudal and slightly exceeding the depth of the body; mouth 

 small; lower jaw included within the upper; eyes large, placed 

 high and narrowly separated by a longitudinal furrow; scales 

 rather small except some larger ones on the belly, which are not 

 shed; cheeks finely scaled; gill covers with large scales; nape 

 scaly; breast naked. The males have a large anal papilla. 

 Anal spines stout; caudal fin notched. Males have the lower 

 pectoral rays and the ventral and anal rays enlarged and thick- 

 ened. D. XIII-13; A. II, 8. Scales 65 to 78; vertebrae 42. 



Color olive green; upper parts tessellated; sides with seven 

 or eight double crossbars, each forming a Y-shaped figure, these 

 bars sometimes joined above so as to form an undulating lat- 

 eral band and clear deep green in life, and the sides speckled 

 with orange. There is a dark bar from the eye forward and 

 another downward, besides some olive stripes on the head. 

 Spinous dorsal blue above with a pale margin and dark orange 

 brown at base; soft dorsal and anal deep blue green tinged with 



