26a 



Paläontologie. 



3483 Cana, F., and Bassler, S., A Synopsis of American early tertiary Cheilostome 

 Bryozoa. Washington (Nat. Mus. Bull.) 4 9 4 7. 8. 87 pg. w. 6 plates. 



3484 Cockerell, A., Some American fossil insects. Washington (Proc. Nat. Mus.) 4 916. 

 roy. 8. pg. 89—106 w. 1 plate and 9 flgures. 



3485 — Some fossil insects from Florissant, Colorado. Washington (Proc. Nat. Mus.) 

 1917. 8. pg. 389—891. 



3486 — New tertiary insects. Washington (Proc. Nat. Mus.) 1917. roy. 8. pg. 373 — 

 384 w 4 plate. 



3487 Dali, W. H., A contribution to the invertebrate fauna of the oligocene beds of 

 Flint river, Georgia. Washington (Proc. Nat. Mus.) 1916, roy. 8. pg. 487—554 

 w. 6 plates. 



3488 Eastman, Gh. R., Fossil fisbes in the collection of the U. St. National Museum. 

 Washington (Proc. Nat. Mus.) 1917. roy. 8. pg. 835—3 04 w. 83 plates. 



3489 Gldley, W., Notice of a new paleocene Mamma!, a possible relative of the 

 Titanotheres. Washington (Proc. Nat. Mus.) 194 7. roy. 8. pg. 434 — 415 w. 

 4 plate a. 4 figure. 



3490 Hay, 0. P., Description of a new species of extinct horse, Equus Lambei, from 

 the pleistocene of Yukon territory. Washington 1917. 8, pg. 435—443 w. 3 plates. 



3 491 — Description of a new species of Mastodon, Gompboterium elegans, from the 

 pleistocene of Kansas. Washington (Proc. Nat. Mus.) 4917. roy. 8. pg. 819— 851 

 w. 4 plate. 



3498 Jackson, R. T., Fossil echini of the Panama canal zone and Costa Rica. Wa- 

 shington (Proc. Nat. Mus.) 194 7. 8. pg. 489—501 w. 7 plates. 



3493 Enowlton, E. H. f A review of the fossil plants in tbe U. St. National Museum 

 from the Florissant Lake beds at Florissant, Colorado, with descriptions of new 

 species and iist of type-specimens. Washington (Proc. Nat. Mus.) 4 94 6. roy. 8. 

 pg. 844—897 w. 86 plates. 



3494 — A lower Jurassic flora from the Upper Matanuska-Valley, Alaska. Washington 

 (Proc. Nat. Mus.) 1916. roy. 8. pg. 454 — 460 w. 4 plates. 



3495 Rathbnn, M. J., New species of South Dakota cretaceous crabs. Washington 

 (Proc. Nat. Mus.) 1917. roy. 8. pg. 385—394 w. * plates. 



3496 — Description of a new species of crab from the California pHocene. Washington 

 (Proc. Nat. Mus.) 1917. 8. pg. 454 — 452 w. 1 plate. 



3497 Shnfeldt, W., Fossil remains of what appears to be a Passerine bird from the 

 Florissant shales of Colorado. Washington (Proc. Nat. Mus.) 4 917. 8. pg. 453 — 

 455 w. 8 plates. 



3498 Soergel, W., Elephas Columbi Falconer. Ein Beitrag zur Stammesgeschichte der 

 Elephanten und zum Entwicklungsmechanismus des Elefantengebisses. Jena 

 (Geolog, palaeont. Abhdlgn.) 4 924. gr. 4. 4 00 pg. m. 4 5 Abbildungen u. 8 Tafeln» 4 50 



3499 Wherry, E. T., Two new fossil plants from the triassic of Pennsylvania. Wa- 

 shington (Proc. Nat. Mus.) 4 94 6. roy. 8. pg. 387 — 389 w. 2 plates. 



3500 Wickham, H. F., New Brachiopods of the genus Spirifer from the silurian of 

 Maine. Washington (Proc. Nat. Mus.) 4 94 6. roy. 8. pg. 73 — 80 with 4 plate. 



3504 Williams, H. S., New species of fossil beetles from Florissant, Colorado. Wa- 

 shington (Proc. Nat. Mus.) 4917. roy. 8. pg. 463 — 478 w. 3 plates. 



Geologie. 



3508 Bandart, P., Quelques problemes, applications et donßäes numöriques d'exploi- 



tations des mines. Paris 1921. 8. (Fr. 4 5.) 

 3503 Charakterbilder, Geologische. Herausgegeben von K. A n d r 6 e. Heft 84 : 



P e n c k , A., Die südliche Puna de Akacama (Kordilleren Nordwestargentiniens). 



Berlin 4984, Lex. 8. 49 pg. m. 7 Tafeln. Mark 36 



8504 Elber, R M Geologie der Raimeux- und der Velleratkette im Gebiete der Durch- 



bruchtäler von Bois und Gabiare. (Diss.) Basel 4 920. 8. 93 pg. m. 3 Tafeln. 



3505 fintzwiller, W., Beiträge zur Geologie der Umgebung von Merfete am Marmara 

 Meere. (Diss.) Basel 4 984. 4. 27 pg. m. 2 Tafeln. 



3506 Hede, E., Gottlands silurstratigrafi. Stockholm (Sver. geol. unders.) 4981. 8. (Kr. 2.) 

 Naturae Novitates. Jahrg. XLIII, No. Ii. R. Friedländer <& Sohn in Berlin. 



