274 PISHES. 



Coast, Nova Scotia to Virginia; also "land-locked" in 

 fresh water ponds in Maine, etc. (O. viridescens, Mitch ) 



Var. spectrum, (Cope) Jordan. LAND-LOCKED SMELT 

 Head 4^- in length; eye large, 3 in head; depth 8^ in 

 length. Wilton Pond, Maine. 



Var. abbottii, (Cope) Jordan. ABBOTT'S SMELT. Head 

 4f in length; eye 4 in head; depth 7 in length; colors 

 dark; lat. 1. 68. Cobessicontic L., Maine. 



3. THYMALLUS, Cuvier. GRAYLINGS. 

 1. T. tricolor, Cope. MICHIGAN GRAYLING. Depth 

 4f in length; head about the same; purplish gray, silvery 

 below; dorsal with rosy markings and rows of green or 

 blue spots; D. 27; A. 13; lat. 1. 97. Waters of the 

 north pare of the S. peninsula of Michigan; a beautiful 

 fish. 



4. COREGONUS, Linngeus. WHITE FISHES. 



Lower jaw longest; Ciscoes. (Argyrosomus, Agassiz.) 

 * Body sub-fusiform ; depth 4 to 5 iu length. 



1. C. ariedi, LeS. LAKE HERRING. MICHIGAN 

 HERRING. Head 4f in length (4 to 5i); depth 4 (3f to 

 4); eye 4 in head; maxillary 3^- to 3f; mandible 2^; 

 scales rather large and loose; bluish above, silvery on 

 sides and below; D. 12; A. 13; lat. 1. 76; length 12 

 to 18 inches. Great Lakes, etc., very abundant; a 

 shallow water species. (Coregonus albus^ clupeiformis^ 

 luciduS) harengus, etc., of authors.) 



Var. s/'sco, Jordan. Cisco OF LAKE TIPPECANOE. 

 Head 4|; depth 4; eye 3f in head; maxillary 3^-; man- 

 dible 2^; longest dorsal ray three times length of shortest; 

 steel blue above, sides silvery but without the clear luster 

 of C.hoyi, finely punctate; D. 11; A. 13; lat. 1. 84. 

 Lakes of Indiana and Wisconsin, living in deep water 



