I 

 MUSEUM OF COMPARATIVE ZOOLOGY. 39 



REPORT ON INVERTEBRATE PALAEONTOLOGY. 



By Percy E. Raymond. 



The time since joining the staff in February has been largely 

 occupied in assembling, arranging, identifying, and relabeling the 

 collection of trilobites. The families Asaphidae and Cheiruridae 

 have been completed. A part of the time was spent in research, 

 and two brief papers, one of them in collaboration with a graduate 

 student, Mr. D. C. Barton, have been prepared for publication. 

 A revision of the chapter on trilobites for the new edition of the 

 translation of Zittel's Palaeontology was also prepared. 



Two additions have been made to the collections. An ammonite 

 from the Cretaceous of France was given by the Peabody Museum, 

 and three echinoids and an ammonite from Cuba presented by 

 Dr. Carlos de la Torre. 



Publication. February 1-July 31, 1912. 



Notes on parallelism among the Asaphidae. Proc. and Trans. Roy. 

 soc. Canada, 1912, ser. 3, vol. 5, sect. 4, p. 111-120, pi. 1-3. 



