NO. l8 BIBLIOGRAPHY OF R. E. C. STEARNS 9 



80. Notes on Cytherea (Tivela) crassatelloides Conrad, with descriptions 

 of many varieties. — Proc. U. S. Nat. Mus., Vol. 21, 1898, pp. 371-378, pis. 

 23-25- 



The varieties named herein rest on the critical examination of over two thousand ex- 

 amples of all ages from specimens under an inch in length to extreme adults. 



81. Crepidula convexa Say, var. glauca Say, San Francisco Bay. — Nautilus, 

 Vol. 13, No. I, p. 8, Philadelphia, May, 1899. 



82. Natural History of the Tres Marias Islands, Mexico. — Nautilus, Vol. 

 13, No. 2, pp. 19-20, Philadelphia, June, 1899. 



Also in Science, N. S., Vol 10, July 28, 1899, ^o- 239. P- 121. A criticism of Nelson 

 and Goldman's paper in N. A. Fauna, No. 14. 



83. Donax stultorum Mawe : Conrad's species, Cytherea crassatelloides.^ 

 Nautilus, Vol. 13, No. 7, pp. 73-75, Philadelphia, November, 1899. 



Contains bibliography of this species, with Dr. Pilsbry's assistance. 



84. Abalone Fishery in California: Protective regulation. — Nautilus, Vol. 

 13, No. 7, pp. 81-82, Philadelphia, November, 1899. 



85. Modiola plicatula Lamarck, in San Francisco Bay. — Nautilus, Vol. 13, 

 No. 8, p. 86, Philadelphia, December, 1899. 



86. List of Shells collected by Vernon Bailey in Heron and Eagle Lakes, 

 Minnesota, with notes. — Proc. U. S. Nat. Mus., Vol. 22, pp. 135-138, April 7, 

 1900. 



The variation in size, form, and sculpture of Limnaea emarginata is specially indicated. 



87. Description of a new variety of Haliotis, H. fulgens var. walallensis, 

 from California, with Faunal and Geographical Notes. — Proc. U. S. Nat. 

 Mus., Vol. 22, 1899, pp. 139-142. 



Also, Nautilus, Vol. 12, No. 9, January, 1899, pp. 106-107. 



88. Mollusca associated with Mastodon remains. — Nautilus, Vol. 13, No. 9, 

 pp. 100- loi, Philadelphia, January, 1900. 



Fresh-water species near Newburgh, N. Y. 



89. Field-notes and Reminiscences [of a collecting trip on the coast of 

 California with the late Dr. W. Newcomb].— Nautilus Vol. 13, No. 10, pp. 

 115-117, Philadelphia, February, 1900. 



90. Exotic Mollusca in California.— Science, N. S., Vol. n, 1900, No. 278, 

 pp. 655-659. 



91. Notes on the distribution of and certain characteristics in the Saxidomi 

 of the West Coast.--Nautilus, Vol. 14, No. i, pp. 1-3, Philadelphia, May, 1900. 



Conspicuous hinge characters pointed out and compared. 



92. The Fossil Shells of the Los Angeles Tunnel Clays.— Science, N. S., 

 Vol. 12, 1900, No. 294, pp. 247-250. 



A satisfactory determination of the form described as Radiolites Hamlini, awaits further 

 material. 



93. Vallonia pulchella Miill., in Los Angeles and elsewhere in California.— 

 Nautilus, Vol. 14, No. 6, pp. 65-67, Philadelphia, October, 1900. 



94. Fossil Land-shells of the John Day Region, with Notes on related 

 living species.— Proc. Washington Acad. Sci., Vol. 2, 1900, pp. 651-660, pi. 35. 



Epiphragmophora fidelis antecedens, Polygyra Dalli, Ammonitella Yatesi praecursor, 

 Pyramidula perspectiva simillima described. See also No. 98 of this list. 



