130 PROCEEDINGS OF THE PALEOXTOLOGICAL SOCIETY 



PRESIDENTIAL ADDRESS 



At 2.30 p. m. the members convened to hear the address of Dr. W. D. 

 Matthew, retiring President of the Paleontological Society, entitled 



RECENT PROGRESS AXD TREXDS IX VERTEBRATE PALEOXTOLOGT 

 PRESIDENTIAL ADDRESS BY W. D. MATTHEW 



Following the presidential address, the reading of papers in general 

 session, with Dr. Matthew in the chair, was resumed. An account by the 

 author of new helmet-crested dinosaurs from Alberta, illustrated by 

 lantern slides, proved most interesting to all the members. 



XEW SPECIES OF CRESTED TRACHODOXT DIXOSAUR 

 BY W. A. PARKS 



{Abstract) 



The genus Stephanositurus was established by Lambe for the reception of a 

 peculiar helmet-crested dinosaur from Alberta. Brown founded the genus 

 Coryihosaurus for another type with more pronounced helmet-like crest. 



The expeditions of the University of Toronto into the bad lands of the Red 

 Deer River, Alberta, resulted in the discovery of two heads and parts of one 

 body of a related form distinctly intermediate between Stephanosaurus and 

 Corijthosonrus. The new species is described as Stephanosaurus intenncdius 

 and the opinion is expressed that the three species should be included in the 

 one genus, Stephanosaurus. A rather interesting question in priority is in- 

 volved. 



The following paper on the paleontology and correlation of the various 

 formations of the Richmond group, given by the author, l^rouglit forth 

 considerable discussion, in which Messrs. Foerste, Parks, Ulrich, Ami, 

 Bassler, and Sardeson took part. 



SOME FAUXAL CORRELATIOXS OF THE RICHMOXD 

 BY W. H. SHIDELER 



(Abstract) 



The "Maquoketa*' faunas of northeastern Illinois, eastern Wisconsin, and 

 the upper peninsula of Michigan are well represented in Indiana, where they 

 are found in strata of the Elkhorn beds. 



These "Maquoketa" faunas constitute a fairly complete recurrence of the 

 Fernvale fauna, but have essentially nothing in common with the typical 

 Maquoketa of Iowa, Minnesota, and northwestern Illinois. 



The typical Maquoketa was deposited in an embay ment which apparently 

 never had direct communication with the provinces to the east, and most of 

 it is probably younger than anything in the Cincinnati region. 



