TABLE OF CONTENTS. 



Pago. 



Bartsch, Paul. A new West Indian fossil land shell. No. 

 2254. December 26, 1918 ^.. 605-606 



New species: Pleurodonte debooyi. 



■ . New marine shells from Panama. No. 2250. 



December 23, 1918^ 571-575 



New species: Cylichnella zeteki, Odostomia (Chrysallida) zeteki, Helia- 

 cus panamensis, Discopsis panamensis, D. argentea. 



. Two new land shells of the Epiphragmophora 



<,i€tsKn group. No. 22d6. Deoember 22, 1918 * 523-524 



New subspecies: Epiphragmophora cuyamacensis lowei, E. trasHi 

 isidroensis. 



Berry, Edward W. Fossil plants from Bolivia and their 

 bearing upon the age of uplift of the Eastern Andes. No. 

 2229. October 27, 1917^ 103-164 



New species: Disdnisca singewaldi, Polystichum bolivianum, Carpo- 

 lithus viornaformis, Pithecolobium brittonianum, Cassia singeualdi, 

 C. cultrifoliaforviis, Caesalpinia sessilifolioides, Caesalpiniies poto- 

 sianus, Copaifera potosiana, C. corocoriana, Bauhinia potosiana, 

 Machaerium viilleri, Dalbergia potosiana, Myrteola potosiana, Ter- 

 minalia singewaldi, Apocynophyllum potosianum, Jacaranda poto- 

 sina, Rubiacites numviularioides , Cypselitespotosianus . 



New names: Mimosites engelhardti, Cassia ligustrinaformis, Carpoli- 

 ihus engelhardti. 



. Fossil plants from the late Tertiary of Oklahoma. 



No. 2256. November 19, 1918^ 627-636 



New species: Gymnocladus casei, Sapindus ohlahomensis, Rhamnus 

 lesquereuzi, Bumelia ohlahomensis. 



Berry, S. Stillman. Chitons taken by the United States 

 Fisheries steamer "Albatross" in the northwest Pacific in 

 1906. No. 2223. December 5, 1917^ 1-18 



New species: Leptochiton diomedeae, Ischnochiton (Lepidozona) ama- 

 bilis, I. (L.) interfossa, I. (L.) pilsbryanus. 



> Date of publication. 



V 



