Proceedings of the California Academy of Sciences. 
Vols. 1-41, 56- called:  Proceedings of the California Academy of Sciences. 4th ser. 

 - San Francisco :  California Academy of Sciences,  1907-. 
 - v. :  ill., maps ;  26 cm. 
 - Irregular 
 - Vol. 1, no. 1 (Dec. 20, 1907)- 
<br/><br/> Latest issue consulted: Vol. 57, nos. 25-38 (Dec. 28, 2006). 
<br/><br/> Chemical abstracts  0009-2258 
<br/><br/>Vol. 1, no. 1 is dated 1907; the general t.p. of the volume has imprint date 1912, while at end of the table of contents of the same volume is the date "Dec. 30, 1914." Monographs, continuously paged in each volume. Fourth series designation dropped after v. 41 (1978); reappears on the cover with v. 56, nos. 18-26 (Aug. 26, 2005). 
<br/><br/> Vol. 25 is composed entirely of the Alice Eastwood semi-centennial publications, no. 1-18, of the California Academy of Sciences. 
<br/><br/>Some vols. accompanied by supplements. 
<br/><br/>Formed by the union of: Proceedings of the California Academy of Sciences. 3d ser., Botany; Proceedings of the California Academy of Sciences. 3d ser., Geology; Proceedings of the California Academy of Sciences. 3d ser., Mathematics-physics, and: Proceedings of the California Academy of Sciences. 3d ser., Zoology. 
<br/><br/><label>ISSN: </label>0068-547X 
 = Proceedings of the California Academy of Sciences  (1907) 
 = Proc. Calif. Acad. Sci.  (1907) 
<br/><br/><label>CODEN: </label>PCASAV 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ամսագիր<br/>Science<br/>Exacte wetenschappen.<br/>Sciences--Collections.