TABLE OF CONTENTS. 



Page. 



Bassler, Ray S. The Format ion of Geodes with Remarks 

 on the Silicification of Fossils. — No. 1637. November 7, 



1908 a 133-154 



. See under Ulrich, E. O :--. 277 340 



Busck, August. A Generic Revision of American Moths 

 of the Family (Ecophoridae, with Descriptions of New 

 Species.— No. 1644. October 31, 1908 a . . 187-207 



New genera: Gerdana, Durrantia, Inga, Decantha, Fabiola. 

 New species: Gerdana caritella, Cryptolechia canariella, C. huachu- 

 cella, C. ciliella, Agonopteryx plummerella. 

 Clark, Austin Hobart. The Axial Canals of the Recent 



Pentacrinitidse.— No. 1634. October 30, 1908 «_. 87-91 



— . The Homologies of the Arm Joints and Arm Divi- 

 sions in the Recent Crinoids of the Families of the Coma- 

 tulida and the Pentacrinitidse. — No. 1636. October 30, 



1908 a --- - 113-131 



New genera: Ifypalocrinus, Endoxocrinus. 

 Dall, William IIkaley. Descriptions and Figures of some 

 Land and Fresh- water Shells from Mexico, believed to be 

 New.— No. 1642. November 10, 1908 «.. 177-182 



New section: Crossostcphanus. 



New species: Ccelocentrum (Crossostephanus) palmeri, Slreptostyla 



bartschii, S. toyuca, S.jilitlana, Euglandina livida, Lampsilis (Prop- 



tera) salinasensis. 



Dyar, Harrison G., and Frederick Knab. Descriptions 

 of some New Mosquitoes from Tropical America. — No. 

 1632. October 30, 1 90S" 53 70 



New species: Aides epactius, A. cuneatns, A. argentescens, A. haru- 

 spicus, A. horridus, A. aldrichi, Culex chrysonotum, C. daumasto- 

 campa, C. pinarocampa, C. consternator , C. stenolepis, C. aikenii, 

 C. eumimetes, Sdbethes tarsopus, S. schausi, Lesticocampa schedo- 

 cyclia, Prosopolepis jocosa, Phoniomyia simmsi, Wyeomyia aba- 

 scanta, W. gynsecopus, W. ablechra, W. ablabes, W. abebela, W.abia, 

 W. andropus, W. clasoleuca, W. dymodora, W. baria, W. megalo- 

 dora, W. mataea, W. argyrura. 

 New name: Anopheles cruzii. 



Gill, Theodore. Chcerodon in place of Choerops for a La- 



broid Genus of Fishes.— No. 1638. October 31, 1908 °. 1 55- 1 56 



a Date of publication. 



v 



