﻿REPORT OP THE DIRECTOR IQTO 185 



Remarks. Differs from C. newberryi in having its striae 

 and crenulations more closely spaced and an angle of divergence 

 of 20 instead of io°. 



Orthoceras sp. 



Shell small, regularly tapering at an angle of 9+ in the uncom- 

 pressed part. Septa about a millimeter apart near the middle, 

 which is about a fifth the diameter at that place. 



Dimensions. Length, 43 mm; width, 8 mm (flattened consider- 

 ably). 



Orthoceras sp. 



Fragment of large shell with edge of living chamber. Different 

 species from preceding. Septa about 4 mm apart, somewhat more 

 crowded near living chamber. Length of fragment, 43 mm; width, 

 15 mm; not showing width of shell. 



Ostracoda sp. 

 One or more species of small ostracods occur in the gray shale 

 of Oyster basin, Coffin island. 



TABULAR LIST OF MAGDALEN ISLAND FAUNAS 



Oyster basin, Cape le Trou, Nova Scotia 

 Coffin I. Grindstone I. limestones 



Nodosinella clarkei x 



Cornulites ? annulatus x 



Serpula ? infinitesima x 



Spirorbis sp . x 



Rhombopora exilis ? ? 



Stenopora ? sp x 



Beecheria davidsoni ? ? 



Composita dawsoni x x 



Dielasma sacculus x x 



Hemipty china ? waageni x 



Lingula eboria x 



Martinia glabra x x 



x 



Orbiculoidea limata x ? 



Productus auriculispinus x 



Productus prouti • . . x 



Productus dawsoni x x ? 



Productus dawsoni acadicus x x ? 



Productus arseneaui x 



Productus laevicostus ? x 



Productus doubleti x 



Productus tenuicostiformis ? x ? 



Productus sp. A x 



Pugnax magdalena x ? 



