292 
OCCASIONAL PAPERS OF THE CALIFORNIA ACADEMY OF SCIENCES 
Number 158 
1925, II. Miocene marine diatoms from Maria Madre 
Island, Mexico. Proceedings of the California Academy 
of Sciences, ser. 4, 15(2[16 April]): 115-193, 11 pis., 
Ifig. 
[3420] Slevin, Joseph Richard. 1926. Expedition to the 
Revillagigedo Islands, Mexico, in 1925, III.Notes on a 
collection of reptiles and amphibians from the Tres 
Marias and Revillagigedo Islands, and West coast of 
Mexico, with description of a new species of Tantilla. 
Proceedings of the California Academy of Sciences, ser. 
4, 15(3 [26 April]): 195-207, 1 pi. 
[2347] Jordan, Eric Knight, and Leo George Hertlein. 1926. 
Expedition to the Revillagigedo Islands, Mexico, in 
1925, IV. A Pliocene fauna from Maria Madre Island, 
Mexico. Proceedings of the California Academy of Sci¬ 
ences, ser. 4, 15(4[26 April]):209-217, 1 pi. 
[1463] Fox, Charles L. 1926. Expedition to the 
Revillagigedo Islands, Mexico, in 1925, V. The Bem- 
bicini (Digger Wasps). Proceedings of the California 
Academy of Sciences, ser. 4, 15(5[26 April]):219-222, 
8 figs. 
[232] Baker, Fred. 1926. Expedition to the Revillagigedo 
Islands, Mexico, in 1925. VI. Mollusca of the family 
Triphoridae. Proceedings of the California Academy of 
Sciences, ser. 4, 15(6[26 April]):223-239, 1 pi. 
[2346] Jordan, Eric Knight. 1926. Expedition to Guadalupe 
Island, Mexico, in 1922 — No.4 Molluscan fauna of the 
Pleistocene of San Quintin Bay, Lower California. 
Proceedings of the California Academy of Sciences, ser. 
4, 15(7 [26 April]):241-255, 1 fig., 1 pi. 
[2337] Jordan, David Starr. 1926. New sharks from the 
Temblor group in Kem County, California collected by 
Charles Morrice. Proceedings of the California Acad¬ 
emy of Sciences, ser. 4, 15(8[26 April]):257-261, 1 pi. 
[3574] Stipp, Thomas F. 1926. The relation of foraminifera 
to the origin of California petroleum. Proceedings of the 
California Academy of Sciences, ser. 4, 15 (9 [26 April]): 
263-268. 
[1828] Henderson, Junius. 1926. Sources of material from 
which petroleum may have been derived. Proceedings 
of the California Academy of Sciences, ser. 4, 15(10 
[26 April]):269-278. 
[2883] McLellan, Mary E. 1926. Expedition to the 
Revillagigedo islands, Mexico, in 1925, VI. The birds 
and mammals. Proceedings of the California Academy 
of Sciences, ser. 4, 15(11 [20 May]):279-322. 
[2967] Munz, Philip A. 1926. The Antirrhinoideae-Antir- 
rhineae of the new world. Proceedings of the California 
Academy of Sciences, ser. 4, 15(12[3 June]):323-397. 
[3833] Viereck, Henry L. 1926. Descriptions of seven 
andrenids in the collection of the California Academy of 
Sciences. Proceedings of the California Academy of Sci¬ 
ences, ser. 4, 15(13[22 July]):399-408. 
[2348] Jordan, Eric Knight, and Leo George Hertlein. 1926. 
Expedition to the Revillagigedo Islands, Mexico, in 
1925, VII. Contribution to the geology and paleontology 
of the Tertiary of Cedros Island and adjacent parts of 
Lower California. Proceedings of the California Acad¬ 
emy of Sciences, ser. 4, 15(14[22 July]):409-464, 8 pis. 
[953] Dali, William Healey. 1926. Expedition to the 
Revillagigedo Islands, Mexico, in 1925. VII. Land 
shells of the Revillagigedo and Tres Marias Islands, 
Mexico. Proceedings of the California Academy of 
Sciences, ser. 4, 15(15[22 July]):467-491, 2 pis. 
[1668] Grinnell, Joseph. 1926. A critical inspection of the 
gnatcatchers of the Califomias. Proceedings of the Cali¬ 
fornia Academy of Sciences, ser. 4, 15(16[15 Septem- 
ber]):493-500. 
[1694] Grunsky, Charles E. 1927. Report of the President of 
the Academy for the Year 1926. Proceedings of the 
California Academy of Sciences, ser. 4, 15(17 
[31 March]):501-510. 
[1393] Evermann, Barton Warren. 1927. Report of the 
director for the year 1926. Proceedings of the California 
Academy of Sciences, ser. 4, 15(18 [31 March]): 511-546. 
[2884] McLellan, Mary E. 1927. Notes on birds of Sinaloa 
and Nayarit Mexico, in the Fall of 1925. Proceedings of 
the California Academy of Sciences, ser. 4, 16(1 [31 
Janu-ary]):l-51, 3 figs. 
[1695] Grunsky, Charles E. 1927. A contribution to the cli¬ 
matology of the Ice Age. Proceedings of the California 
Academy of Sciences, ser. 4, 16(2[31 January]):53-85, 
4 figs., 1 pi. 
[48] Anderson, Frank Marion. 1927. The marine Miocene 
deposits of north Colombia. Proceedings of the Califor¬ 
nia Academy of Sciences, ser. 4, 16(3[31 January]): 
87-95, 2 pis. 
[1400] Evermann, Barton Warren, and Tsen-Hwang Shaw. 
1927. Fishes from eastern China, with descriptions of 
new species. Proceedings of the California Academy of 
Sciences, ser. 4, 16(4[31 January]):97-122. 
[233] Baker, Fred, and G Dallas Hanna. 1927. Expedition 
of the California Academy of Sciences to the Gulf of 
California in 1921: Marine mollusca of the order 
Opisthobranchiata. Proceedings of the California Acad¬ 
emy of Sciences, ser. 4, 16(5[22 April]): 123-135, 1 pi. 
[1750] Hanna, G Dallas, and Leo George Hertlein. 1927. 
Expedition of the California Academy of Sciences to the 
Gulf of California in 1921: Geology and Paleontology. 
Proceedings of the California Academy of Sciences, ser. 
4, 16(6[22 April]): 137-157, 1 pi. 
[3120] Pilsbry, H. A. 1927. Expedition to Guadalupe Island, 
Mexico in 1922. Land and freshwater mollusks. 
Proceedings of the California Academy of Sciences, ser. 
4, 16(7[22 April]): 159-203, 3 figs., 6 pis. 
[925] Cushman, Joseph A., and G Dallas Hanna. 1927. 
Foraminifera from the Eocene near Coalinga, Califor¬ 
nia. Proceedings of the California Academy of Sciences, 
ser. 4, 16(8[22 April]):205-229, 2 pis. 
[3421] Slevin, Joseph Richard. 1927. The making of a sci¬ 
entific collection of reptiles and amphibians. Proceed¬ 
ings of the California Academy of Sciences, ser. 4, 
