202 
Laubenfels, M. W., de. 1927. The red sponges 
of Monterey Peninsula, California. Ann. Mag. 
Nat. Hist. ser. 9 , 19: 258-266. 
1928. A new genus and species of 
sponge from Puget Sound. Publ. Puget Sd. 
Biol. Sta. 5: 361-363. 
1930- The sponges of California. Stanf. 
Univ. Bull. ser. 5, 5(98): 24-29. 
1932. The marine and freshwater 
sponges of California. Proc. U. S. Nat. Mus. 
No. 2927, 81: 1-140. 
1936^. A discussion of the sponge 
fauna of the Dry Tortugas in particular and 
the West Indies in general, with material for 
a revision of the families and orders of the 
Porifera. Carneg. Instn. Publ. 467: 1-225. 
193 6b. A comparison of the shallow 
water sponges near the Pacific end of the 
Panama Canal with those at the Caribbean 
end. Proc. U. S. Nat. Mus. No. 2993, 83: 
441-466. 
PACIFIC SCIENCE, Vol. XV, April 1961 
Linne, C. von. 1758. Systema Naturae. Tom. 
I: Animalia. Editio decima, reformata. Hob 
miae. 
Montagu, G. 1818. An essay on sponges, with 
descriptions of all the species that have been 
discovered on the coast of Great Britain. 
Mem. Werner Soc. 2: 67-122, pi. 3-16. 
Ridley, S. O., and A. Dendy. 1886. Prelimi- 
nary report on the Monaxonida collected by 
H.M.S. Challenger, Parts I, II. Ann. Mag. 
Nat. Hist. ser. 5, 18: 325-351, 470-493- 
Schmidt, O. 1862. Die Spongien des Adriati- 
schen Meeres. Leipzig, vii + 88 pp., 7 pi. 
Urban, F. 1905. Kalifornische Kalkschwamme 
...Von.... In: Arch. Naturgesch. 72: 33- 
76, pi 6-9. 
Vosmaer, G. C. J. 1885. The sponges of the 
Willem Barents Expedition 1880 and 1881. 
Bijdr. Dierk. 12: 1-47, pi. 1-5. 
