Actinoptycbas spinifer Grun. 



— vulgaris Schum. 



— undulatus Eh, 

 Arachnoidiscus Ehrenbergii Bail. 



— — var. califor 



nica. 



— ornatus Eh. 



Asterompbalus Darwinii Eh. 



— variabilis Grev. 

 Aulacoiiiscus amœnus Grev. 

 Auliscus sculptus Eh. 

 Biddulpbia longicornis Grun. 



— Tuomeyi Bail. 

 Campylodiscns ecclesianus Grev. 

 Campjioneis regalis Grun. 

 Chaetoceros didymum Eh. 



— hispidiim Eh. 



Cocconeis costata Greg 



— pseudo-marginata Greg. 



Coscinodiscns asteromphalus Eh. 



— biradiatus Grev. 



— diorama A. S. 



— Ûoridulus A. S. 



— lineatus Eh. 



— niarf^inatus Eb. 



— nionic;« Ralt. 



— oculus-iridis Eb. 



— radiatus Eb. 

 • — robustus Eh. 



— suboculatus Rab. 



— subtilis Eh. 



409 — 



Dicladia capreolus Eh . 

 Gephyria constricta Arn. 



— costata Arn. 

 Grammatopbora valida Dipp. 

 Hemiaulus polymorphns Grun. 

 liyaIodi8cu8 radiatus var. O. Meara. 

 Litbo4le«)miuni minusculum Grun. 

 Melosira clavigera Grun. 



— sol Eh. 



— sulcata Ktz. 

 1%'avicala craôro Eh. 



— prsetexta Eh. 



— spectabilis Grev. 

 Ortboneis splendida Grun. 

 Podo)«ira hormoïdes Mont. 

 Pterotbeca subulata Grun. 

 Rbabdonema adriaticum Kts. 

 Rbizosolenia setigera Bright. 



— styliformis Bright. 



Rutilaria hexagona Grun. 

 Stepbanopyxis corona Eh. 



— Grunowii Gr.et St. 



— limbata Eh. 



— turris Eh. 

 Stictodiscus californicus Grev. 

 Triceratium Montereyi Bright. 



— primordialis J. Br. 



— quadrangulare Bright. 

 ^- calidum Grun, 



N°* 844, 845 LOS ANGELES — CALIFORNIE (États-Unis] 



Dépôt fossile marin 



Actinocyclus ingens Ratt. 

 Actinoptycbiis undulatus Eh. 

 Aulacodiscus affinis Grun. 



— Oregonus Bail. 



.Auliscus elegans Grec. 



— Hardmannianus Grec. 



— mirabilis Grec. 

 — N pruinosus Bail. 



Auliscas punctatus Baii. 



— — var. striolata.- 



— subreticulatus Ratt. 



— — car. decipiens. 



— subspcciosus Ratt. 



Coscinodiscus angusta lineatus A. S. 



— apiculatus Eh. 



— argus Eh. 



