VIII TABLE OF CONTENTS. 



Page. 



Lucas, Frederic A. A new Dinosaur, Stegosaurus marshi, 

 from the Lower Cretaceous of South Dakota. — No. 1224. 

 February 26, 1901' . ^1-592 



. A New Fossil Qvprinoid, Leuciscus turneri, from 



the Miocene of Nevada.— No. 1212. November 8, 1900 ^ 333-331: 



. A new Rhinoceros, Trig'onias osborni. from the Mio- 

 cene of South Dakota.— No. 1207. October 9, 1900' 221-224 



. The Pelvic Girdle of Zeuglodon, Basilosaurus cetoi- 



des (Owen), with notes on other portions of the skeleton. — 



No. 1211. November 8, 1900 ' 327-331 



Lyon Jr. . Marcus W. A comparison of the Osteology of 



the Jerboas and Jumping Mice.— No. 1228. May 2. 1901 ' . 659-668 



McNeill, Jerome. Revision of the Orthoptoran Genus Tri- 



merotropis.— No. 1216. January 19. 1901 ' 393-449 



Newspecies: Trhnerotropis hyalina, Trhnerotrupiscristata, Trimerotropis 

 iwrrecta, Trimerotropis coquilletti, Trimerotropis tesselata, Trimerotropis 

 calignosa, Trimerotropis albescens, Trimerotropis ferruginea, Tt^imero- 

 tropis bruneri, Trimerotropis fascicula, Trimerotropis prteclara, Tri- 

 merotropis melanoptera, Trimerotropis strenua, Trimerotropis agrestis, 

 Trimerotropis eoUaris, Trimerotropis fratercula, Trimerotropis saxa- 

 tilis, Trimerotropis pilosa, Trimerotropis nubila, Trimerotropis con- 

 spersa, Tri)nerofr'>pis variegata. 



Maxon, William R. A list of Ferns and Fern allies of North 

 America North of Mexico, with principal synonyms and 

 distribution.— No. 1226. May 4, 1901 ' 619-651 



Nelson, Elias. A Revision of Certain Species of Plants of 



the Genus Antennaria.— No. 1230. June 4. 19ol ' 697-713 



Richardson, Harriet. Ke}' to the Isopods of the Atlantic 

 Coast of North America with Descriptions of New and Little 

 known species.— No. 1222. February 28, 1901' 493-579 



New genus: Si/uuropus. 



New name: Erichsonelln. 



New species: CalntJiura crenulato, Cirolana obtmncata, Cirolo)m albida, 

 CoraUami se.rticontis, ^Egathoa linguifrons, Sphxroma yiicatanuyn, 

 Dynamene anguln{a, Ciliava linguicauda, Ei-iehsoneUa floridami, Arc- 

 turus caribbaus, Earycope rnribbea, Synuropiis grfnndatus, P}tiIoscia 

 richmoiidi, SpJhTroniscus portoricensis. 



Stejneger, Leonhard. a New Systematic name for the Yel- 

 low Boa of Jamaica.— No. 1218. January 19, 1901 ' 469-470 



New species: Epi crates subflaims. 



' Date of publication. 



