JOURNAL OF ENTOMOLOGY AND ZOOLOGY 99 



He left Kngland about 1867 for the United States, settling 

 first in Junction City, Kansas ; was associated with the late Dr. 

 Snow at the University of Kansas. He was in Denver for a 

 short time and about the middle of the seventies came to 

 Berkeley, and became a Californian naturalist for the remainder 

 of his life. He became acquainted with all the scientists of the 

 State and jilayed leading parts in all the various activities, 

 including the California Academy of Sciences. He was one of 

 a little grouji of naturalists, including Behr, Behrens, Stretch, 

 Harford, Lockington and others, which met informally and was 

 known as the Arthrozoic Club. 



Rivers was Curator of Organic Natural History in the Uni- 

 versity of California until he resigned, about 1895, and removed 

 to Ocean Park and Santa Monica, where he resided until his 

 death. Prof. Rivers, as he was generally and affectionately 

 called, ranged over nearh^ the whole of the natural sciences; he 

 was a representative of the old-time naturalists. He studied and 

 pulilished jiapers on living and fossil shells, Lepidoptera, Cole- 

 optera, spiders, and reptiles, and collected plants. His published 

 papers are mostly in the Proceedings of the California Academy 

 of Sciences, Bulletin of the Southern California Academy of 

 Sciences, Zoe, Papilio and Entomological News. The titles of 

 some of these will give some idea of his scientific work : Habits 

 in the Life-history of Pleocoma behrensii; a Miocene Shell in 

 the Living State; Description of the Nest of the California 

 Turret-building Spider with Some References to Allied Species ; 

 The S])ecies of Amblychila ; Chariessa lembertii ; the preceding 

 all in Zoe. A New Genus and Species of North American Scara- 

 bjcidae and a New Species of Californian Lepidoptera, in the 

 Proceedings of the California Academy; and in the Bulletin of 

 the Southern California Academy of Sciences: Butterfly Emi- 

 grants; Discovery of Another Foodplant of Uranotes melinus, 

 Hueb. ; A Butterfly New to Southern California ; The Caterpillar 

 Plag"ue ; Euvanessa antiopa, and other jiapers. His last paper, 

 with a photographic plate, was published in the Bulletin of the 

 Southern California Academy in July, 1913, being, A New 



