166 TELEOSTEI: HETEROSOMATA. — XXI. 



80 to 93. A. 64 to 75. Lat. 1. 90. N. Atl., S. to N. Y. (Eu.) 

 (Lat., platessa, the plaice ; ddos, like.) 



229. PARALICHTHYS Girard. (irapdW^os, parallel ; 



lx&vs, fish.) 

 a. Gill rakers 5 + .16, rather long and slender; D. 85 to 93; A. 67 to 73. 



463. P. dentatus (L.). Summer Flounder. Body ovate ; 

 maxillary half head ; canines large. Brownish olive, always with 

 many paler and darker spots and obscure ocelli. Head 3f ; depth 

 21. Lat. 1. 95. L. 2\ feet. Cape Cod to Fla., the common floun- 

 der X. (Lat., toothed.) 



aa. Gill rakers, few, shortish, 2+ 8 to 10. 

 b. Body ovate, opaque, the depth about 2} iu length; no definitely placed 

 ocelli, 

 c. D. rays 85 to 93 ; A. 65 to 73 ; lat. 1. about 100. 



464. P. lethostigma Jordan & Gilbert. Southern Floun- 

 der. Eyes small, well separated. Dusky olive, nearly plain. 

 Head 3|. L. 1\. N. Y. to Texas, the common Flounder S. (Xtj^, 

 forgetting; orty/x^, spot.) 



cc. D. rays 75 to 81; A. 59 to 61: lat. 1. 95. 



465. P. albigutta Jordan & Gilbert. Grayish brown, with many 

 roundish pale blotches. L. 18. Va. to Texas, common S. (Lat., 

 albui<, white; gutta, spot.) 



bb. Body oblong, strongly compressed, semi-translucent, side with four 

 large oblong black ocelli, each edged with pinkish, the anterior spots 

 just behind middle of body, the four forming a trapezoidal figure. 



466. P. oblongus (Mitchill). Four -spotted Flounder. 

 Mouth large. Head 3f; depth 2L D. 77. A. 62. Lat. 1. 93. 

 L. 18. Cape Cod to N.J. (Another "4-spotted flounder," A n- 

 cylopsetta quadrocellata Gill, with deep body and very rough scales ; 

 probably ranges X. to Ya.) 



230. PLEURONECTES (Artedi) Linnseus. Turbots. 

 (Rhombus Cuvier.) (irXevpou, side; ptjkttjs, swimmer.) 



". Scales cycloid, well-developed; no bony tubercles. (Botkns Rafinesque.) 



467. P. maculatus Mitchill. "Window Pane. First rays of 

 D. much exserted; body much compressed, translucent. Grayish 

 brown, profusely spotted and mottled with dark brown. Head 3|; 

 depth If. D. 65. A. 52. Lat. 1.100. L. 18. Cape Cod to S. C, 

 ;. small and valueless representative of the great turbot of Europe 

 (P. rhombus L.). 



231. PLATOPHRYS Swainson. (nXarvs, broad ; 

 ocppvs, eye-brow.) 



468. P. ocellatus (Agassiz.) Maxillary 3| in head. Light 

 grayish, with small round spots of darker gray, and, with lighter 



