6 SOUTHERN CALIFORNIA ACADEMY OF SCIENCES. 



(Cress.), D. mexicanum (Cress.), D. apicale (Cress.), D. bivitta- 

 tum (Cress.), D. toltecum (Cress.), D. agnatum (Cress.), D. 

 texanum (Cress.), D. ulkei (Cress.), D. cressonii (Dalla Terra, 

 D. lepidum (Cress.). D. simile, (Cress.), D. concinnum (Cress.), 

 D. pudens (Cress). The easiest way to distinguish Dianthidium 

 from Anthidium is to notice the little pulvillns or pad between 

 the claws, this being absent in the latter genus. Stelis looks like 

 Disnthidium, but it is a parasitic bee, and consequently the fe- 

 male has no scopa for holding pollen. „ „ , 



The species of Dianthidium are "resiniers, " making resin 

 nests; Anthidium lines its nest with cottony fibers. 



Prehistoric California. 



(Continued from December Bolletin.) 

 BY DR. LORENZO GORDIN YATES. 



WHALE. 



Fossil remains of whales have been found at many locali- 

 ties, mostly near the coast. One of these found in the Plicoene ? 

 near Santa Barbara by Professor George Davidson was named 

 by Professor Cope, who called it Eschrichtius Davidsoni. It 

 was as large as the "California Gray Whale," but belonged to 

 the "Finbacks." 



THE HOG. 



Elotherium imperator, Leidy, from the Miocene at Doug- 

 las Flat, Calaveras comity, under the lava, is described as allied 

 to the hog. 



SLOTH. 



Professor Cope named an animal found in Quaternary of 

 the Klamath River, at Yreka, the Moritherium giganteum. It 

 was an extinct Sloth, and is supposed to have made the tracks 

 resemblinggigantic footprints found in the Carson Quarry in 

 Nevada. 



Professor Cope named an animal found in the Quaternary of 

 the Klamath River, at Yreka, the Moritherium giganteum. It 

 was an extinct Sloth, and is supposed to have made the tracks 

 resembling gigantic human footprints found in the Carson 

 Quarry in Nevada. 



TAPIR. 



The South American Tapir is represented by fossils found in 

 the Auriferous Gravel, above the lava, in Tuolumne county. 



BEAVER. 



A fossil rodent, Sigmogomphius Le Contei, Merriam, named 

 for the late Professor Joseph Le Conte, was found by Professor 



