ADDENDA 108 (). AGONID.E LEPTAGONUS. 955 



dorsals contiguous; anal inserted under fourth ray of second dorsal; 

 caudal G in length ; lateral line incomplete ; vent nearer base of caudal 

 than tip of snout. Head 2; depth 4. D. ViII-17 j A. 12; V. I, 3. 

 L. 3 inches. Lake Superior. (Girard.) 



Page G99. After Uranidea franldini add : 

 1O69 (/>) U forsniosa (Grd.) Jor. 



Body slender and graceful ; head small, depressed above ; eyes mod- 

 erate ; preopercular spine short, stout, acute, curved upwards ; a small 

 spine below it ; subopercular spine well developed. Dorsals well sepa- 

 rated; anal beginning under third ray of soft dorsal; pectorals not 

 reaching to posterior margin of spinous dorsal; ventrals not nearly to 

 vent. Head 4^ D. VIII-16; A. 11; V. 1,3. L. 3{ inches. Deep 

 water in Lake Ontario. (Girard.) 



(Coitus formosas Girard, Mon. Cott. 58, 1850.) 



Page 703. To the synonymy of Cottus scorplm grccnlandicm add: 



(Coitus mUckilli C. & V. iv, 188 : Cotius porosus C. & V. viii, 498 : Acanthocottus ocel- 

 latus 11. E. Storer, Bost. Jonra. Nat. Hist. 150, 253: Cottnsylacialis Eich. Last Arctic 

 Voyage Belch, ii, 349, 1855: Acanthocottus mucosus Ayres, Proc. Cal. Ac. Nat. Sci. 

 1854, 12.) 



Page 712. A minute patch of palatine teeth is sometimes present in 

 Liocottus hirundo. 



Page 726. Instead of Bracliyopsis read : 



33. L.EPTAGONUS Gill. 



(Gill, Proc. Ac. Nat. Sci. Phila. 1831, 259: type Agonus spinosissimus Kroyer = Agonus 

 dccagonus Bl. & Schu.) 



The species should stand as 



a. Lower jaw projecting. (Brachyopsis Gill.) 



1112. JL. restrains (Tiles.) J. & G. 



1113. L. veiTMCOSiss (Lock.) J. & G 



1114. L.. xyosierims J. & G. 



aa. Lower jaw included. (Lcpiagomis.) 



1 115. L.. decagonus (Bl. & Schn.) J. & G. 



The following description of L. decagonus may be substituted for that 

 given in the text : 



Greyish yellow, with 2 to 4 large transverse brown spots ; tips of pec- 

 torals and caudal blackish; a black streak through eye across preo- 



