146 TRANSACTIONS OF THE ~ [Marg 
T am under obligations to Dr. Bashford Dean, of the Depart- 
ment of Biology, Columbia College, for material assistance in 
determining the following anatomical description of the Suna- 
pee saibling :— 
Two specimens of 1 pound and 3 pounds respectively, were 
carefully examined. 
FIN RAY FORMULA, 
In 1 lb. specimen. In 3 lb. specimen. 
Pectoral 14 13 
Dorsal 13 14 
Ventral 11 10 
Anal 13 13 
Caudal 26 28 
(including rudimentaries. ) 
SQUAMATION, 
1 lb. specimen. 3 lb. Specimen. 
Lateral 211 to 212 226 
38 to lateral line 41 
62 to vent 63 
DENTITION. 
(feebly developed as in the Irish charrs) 
1 lb. specimen. 3 lb. specimen. 
Maxillary (superior and inf.) 
13 and i4 16 
Pre or Intermaxillary 
4 and 5 4 and 3 
Vomerine (very small) 
6 in number 2 and larger 
Palatines (right and left) 
12and13 .- 13 and 13 
Glossal. 
two rows of 4 5 and 4 
GILL RAKERS. 
(slender and longer than in the brook trout.) 
18 in first row 
18 in second row 
PYLORIC CdiCA. 
1 lb. specimen. 3 lb. specimen. 
45 (small and short) 52 
BRANCHIOSTEGALS. 
9 on each side. 
In young specimens, the gill-cover overlaps the root of the 
pectoral ; not in adults. There are spots on the dorsal fin, and 
attention should be called to a post-ventral dermal appendage. 
