DEPARTME^"T OF GEOLOGY. ■ 153 



EcJiino derma. — Seventeen Cystids, twelve Blastoids and forty- 

 three Crinoids from the Palseozoic of INT. America, 



Four specimens of the Carboniferous Crinoid Agaricocrinus. 

 A fossil Echinoid (Clypeaster) showing internal structure. 



Brachiopoda. — Twenty-five Lower Cambrian Brachiopoda, 

 and seventeen Silurian fossils, chiefly Brachiopoda, from New- 

 foundland. 



Polyzoa. — Two hundred Polyzoa from the Chalk of Worthing*. 



Coelentera. — Corals from the Cretaceous of Gosau, Austria 

 (Schramm en Coll.). 



Porifera. — Sixteen Porifera from the Trias of Timor (J. 

 Wanner Coll.). 



A thousand Sponge's from the Jurassic and Cretaceous chiefly 

 of Hanover (Schrammen Coll.). 



Miscellaneous Invertehrata. — The first instalment of the Gray 

 Collection of Girvan fossils, including seven hundred type and 

 figured specimens. 



Seven hundred and forty Devonian Invertebrata from N. 

 America, chiefly Iowa. 



Problematical fossils. — Eleven problematical fossils from the 

 Middle Cambrian, Burgess Pass, Field, British Columbia. 



C.—By Exchange. 



Fifteen remains of a Crinoid, Drepanocrinus sessilis, from 

 the Cretaceous of Miilheim-am-Rliein, Germany. 



Two pieces of chert with petrified plant-remains from the 

 Devonian of Rhynie, Aberdeenshire. 



The total accessions during 1920 are as follows : — 



Donations. Purchases. Exchanges. Total. 



Yertebrata - 3,042 73 — 3,115 



Invertebrata - 1,518 16,235 15 17,768 



Plants - - 18 .— 2 20 



Rocks - - 5 — — 5 



4,583 16,308 17 20,908 



The total number of specimens registered is 17,317. 



VI. — Students and Visitors. 



The number of visits paid to the Department by Students and 

 other persons for the purpose of consultation or study during 

 1920 was 4,920. 



Arthur Smith Woodward. 



