166 TELEOSTEI: HETEEOSOMATA. — XXI. 



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

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



229. PARALICHTHYS Girard. (irapaWrjXos, parallel ; 

 IxSvs, 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 

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

 der N. (Lat., toothed.) 



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

 b. Body ovate, opaque, the depth about 2J in length ; no definitely placed 

 ocelli. 

 V. 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 3f. L. 2J. N. Y. to Texas, the common Flounder S. (X^5i), 

 forgetting ; a-Tiyfirj, 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., 

 albus, white; gutia, 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 (Mitohill). Four -spotted Flounder. 

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

 L. 18. Cape Cod to N.J. (Another "4-spotted flounder," j4n- 

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

 probably ranges N. to Va.) 



230. PLEURONECTES (Artedi) Linnaeus. Turbots. 



(Rhombus Cuvier.) (TrXfupw, side; vrjicTrjs, swimmer.) 



a. Scales cycloid, well-developed ; no bony tubercles. (5oi/jMS 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 1|. D. 65. A. 52. Lat. 1.100. L. 18. Cape Cod to S. C, 

 a small and valueless representative of the great turbot of Europe 

 (P. rhombus L.). 



231. PLATOPHRYS Swainson. (irXarvs, broad ; 



o(j>pvs, eye-brow.) 



468. P. ooellatus (Agasslz.) jMaxillary 3f in head. Light 

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



