30 
ZOOLOGY. 
57. TIGOMA CRASSA, Grd. 
Plate LXII. — General Report upon Fishes. 
Body plump and contracted. Head rather small; snout short and rounded; eye small; mouth 
moderate; posterior extremity of maxillary extending to a vertical line drawn across the posterior 
rim of the nostril. Pectorals and ventrals small. Scales large. Upper region hluisli or 
purplish black ; sides greyish black; beneath yellow. 
Known as u chub” amongst the fishermen. 
List of specimens. 
Catalogue 
number. 
Correspond’g 
number. 
Number of 
specimens. 
Sex and 
age. 
Locality. 
When 
collected. 
Collected by— 
Nature of 
specimens* 
216 
2777 
i 
Adult. 
Sacramento river, Cal._ 
1855 
Dr. Newberry_ 
•* Alcoholic. 
58. CHEOXDA CkERULEA, Grd. 
General Report upon Fishes. 
Body subfusiform in profile. Head of moderate development; snout slender and conical. 
Mouth rather deeply cleft; posterior extremity of the maxillary extending to a vertical line 
drawn across the anterior rim of the orbit. Eye rather large. Isthmus narrow. Fins small. 
Scales moderate. Upper regions of a greyish azure ; inferior regions of a dull silvery white; 
black dots being scattered all over the hack, sides, and belly. 
List of specimens. 
Catalogue 
number. 
Correspond’g 
number. 
Number of 
specimens. 
Sex and 
age. 
Locality. 
When 
collected. 
Collected by— 
Nature of 
specimens. 
237 
2790 
i 
Adult. 
Lost River, Oregon.- 
1855 
Dr. Newberry. 
Alcoholic. 
59. PTYCHOCHEILUS OREGONENSIS, Grd. 
General Report upon Fishes. 
Body subfusiform in profile. Head rather small, elongated, slender upon the snout. Mouth 
deeply cleft; posterior extremity of the maxillary extending to a vertical line intersecting the 
anterior rim of the orbit. Eye of moderate development. Pectoral and ventral fins rather 
small. Back and upper surface of head dark reddish brown ; flanks and belly white, with a 
silvery tint. 
List of specimens. 
Catalogue 
number. 
Correspond’g 
number. 
Number of 
specimens. 
Sex and 
age. 
Locality. 
When 
collected. 
Collected by— 
Nature of 
specimens. 
198 
2763 
3 
Adult. 
Willamette river, Oregon. 
1855 
Dr. Newberry_ 
Alcoholic. 
