•1 BULLETIN OF THE 



Pcccilichthys spectabilis Agassiz, Am. Journ. Sci. Arts, (2 C ) XVII 

 p. 304, 1854. 



Mici'operca Putnam, MS. 18G0. (Nov. gen.) 



Body much compressed ; tail long and broad ; scales very large ; no 

 lateral line ; first dorsal fin composed of six to seven rays ; anal fin deep ; 

 pectorals and ventrals long; caudal slightly rounded. 



Microperca puuctulata Putnam, MS. 1860. (Nov. sp.) 



This is the only known species of the genus, and is the smallest one in 

 the family ; the. average length of the specimens being only an inch and a 

 half. The color is buff, with dark brown zigzag markings. All the fins 

 spotted, except the ventrals. Pectorals, and ventrals, reaching the com- 

 mencemc-r.it of second dorsal. We have received specimens from various 

 points in Michigan, Wisconsin, Illinois, and Alabama. 



tlololypia agassiz, MS. 1860. (Nov. gen.) 



Body much compressed ; lateral line strongly arched over the pectorals ; 

 dorsal fins of nearly equal size ; caudal fin slightly rounded ; head covered 

 with small scales. Only two species known. 



Ilololopis Barratti Agassiz, MS. i860. 



Syx. Boleosoma tenue Agassiz, 1850, without description ; Boleosoma 

 Barratti IIoldkook, Journ. Philad. Acad. Nat. Sci. (New Series,) III. p. 56, 

 1855. 



Hololcpis fusiformis Putnam. MS. 1860. 



Syx. Boleosoma fusiforme GiRARD,Proc. Bost. Soc.N.II. V. p.41,1854. 



Boleichthys CXilis Gikard, Proc. Philad. Acad. Nat. Sci. XI. p. 103. 1859. 



Boloichthys Warreni Gieard, Proc. Philad. Acad. Nat. Sci. XL p. 104 

 1859. 



Ethcostoma blennioidos TCafinf.sque, Ichth. Ohicn. p. 37. 1820. 

 Syx. Diphsion blennioides Girard, 1859. 



Hadropterus nigrofasoiatus Agassiz, Am. Journ. Sci. Arts, (2 e ) XVII. 

 p. 303. 1S5 J. 



Hadropterus variatus Agassiz, MS. i860. 



Syx. Elheostoma variatum Kirtlaxd, Zobl. Ohio, pp. 1GS, 192, 1838; 

 Etheosloma notatum Agassiz, 1850; Pozcilosoma variatum Agassiz, 1850; 

 Pozcilichtliys varialiis, Agassiz, 1854. 



Hadropterus maeulatus Gikard, Proc. Philad. Acad. Nat. Sci. XL p. 100 

 1859. 



Syx. Alcordius maeulatus Girard, 1859. 



Cottogaster Putnam, MS. I860. (Nov. gen.) 



General form of body, and position of mouth, as in Boleosoma; lateral 

 line, straight ; first dorsal fin with ten rays, lower than the second, which is 

 of the same si/ rminal with the anal; caudal fin slightly forked. 



