MARK: BRANCHIOCERIANTHUS URCEOLUS. 158 
PAPERS CITED. 
Agassiz, A. 
'91. Three Letters from Alexander Agassiz to the Hon. Marshall McDonald, 
United States Commissioner of Fish and Fisheries, on the Dredging 
Operations off the West Coast of Central America to the Galapagos, etc. 
Bull. Mus. Comp. Zoól, Harv. Coll., Vol. 21, No. 4, pp. 185-200. June. 
Eigenmann, C. H. 
'90. On the Egg Membranes and Micropyle of some Osseous Fishes. Bull. 
Mus. Comp. Zoól. Harv. Coll., Vol. 19, No. 2, pp. 129-154, Pls. 1-3. 
March. 
