Sketch of Doctor John B. Trask 
Mollusks and Brachiopods Collected in 
JENRY HEMPHILL 
A Note ‘on the Genus Haliotis 
-VOGDES © 
oe The Genus Encrinurus 
. 
TRANS. SAN DIBGO SOCIETY OF NATURAL HISTORY 
Volt, No. 2. 1907. Pp. 25-83 
