IGS TELEOSTEI: rLECTOGNATlII. — XXII. 



iu 9 mostly cycloid. l);irk gray, mottled with darker ; fins 

 spotted. Head 3^ ; depth 2. D. 55. A. 40. Lat. 1. 70. I.. U. 

 Arctic regions, S. to Cape Cod, our form or variety (L. putnami 

 Gill) common from Cape Ann to Nova Scotia; the original (jlaciaiis 

 in .Vlaska. (/'/< uroncrhs f/lahcr Storcr.) 



237. GLYPTOCEPHALUS (iottsclie. (yXi/Trrof, sculptured; 

 K((^a\r), head.) 



475. G. cynoglossua (L.). Cisaig-fluke. P. short, not half 

 head; eyes large, .3 in head. Grayish brown, fins spotted. Head 

 5; depth 2f. D. 101 to 112. A.'87 to 99. Lat. 1. 12.5. L. 12. 

 N. All., S. to Cape Cod. {,Eu.) (An old name, from kuwv, dog; 

 yXoio-o-a, tongue.) 



238. ACHIRUS Lacepedc. ("Xf'P» without hands.) 

 O. Pectorals wanting. {Achirus.) 



476. A. fasciatus Lacepedc. Sole. Hoo-riioKF.R. Eyed side 

 ■without black hair-like cilia. Olive-brown, mottled and with alxjut 

 8 dark vertical streaks; vertical fins with dark spots and clouds; 

 blind side usually with round dark spots. Head 4 ; depth 1^. 

 D. 50 to 55. A. 37 to 46. Lat. 1. 66 to 75. L. 8. Cape Cod to 

 Texas, abundant, ascending rivers. (Lat., banded.) 



239. SYMPHURUS llafincsque. (P/o.7Hsja Cuvicr ; Aphoristia 

 Kaup.) (^crvfx(pvo), to grow together; oiipa, tail.) 



477. S. plagiusa (L.). Tongue-fisu. Body broadly lanceo- 

 late. Urown, with faint darker longitudinal streaks and with black 

 cross-bars; C. similarly colored, ncrer Wac^-. Head."); depth 3 to 

 :^}f. I). 86 to 95. A. 7.5 to 80. Lat. 1. 85 to 93. L. 5. Va. to 

 Texas, common S. (nXayios, oblic^ue.) 



Order XXIL PLECTOGNATHI. (The Plectogxaths.) 



Premaxillaries co-ossified with the maxillaries, and dentary with 

 the articular; post-tenii)oral undivided, grown fast to the skull; 

 interopcrde rod like ; upper jdiaryngeals forming vertical trans- 

 verse lamina' ; skin naked or variously covered with rough scales, 

 shields or spines. Vertcbraj usually in less than normal number, 

 15 to 30. Ventral fins reduced or wanting. 



Tliis group is a modified offshoot of the suborder Epflasmia of 

 Acaulhiiptcri. The relations of the Bdlislldfr with the Arnulhiiriila: 

 of the latter group arc very close. (n-XfKToy, joined ; yvcWos, jaw.) 



Family XC. BALISTID^. (The Trigcer-fisiif.s.) 



Body ovate, compresseil, covered with scales of varying struc- 

 ture. Mouth small, terminal, low; jaws short, each with one or 

 more .series of separate incisor-like teeth ; eye very high. Gill 



