44 J. C. BKANNER GEOLOGY OF NORTHEAST COAST OF BRAZIL 



tylus; in the smaller specimen, the carpus and propodus of the left cheliped. 

 Upper surface of these two segments reticulated. Dorsal face of carpus subtrian- 

 gular, the distal margin being a little longer than the other two. The palm is 

 nearly one and a half times as long as wide and a little longer than the fingers; a 

 blunt longitudinal carina runs along its outer third ; outer margin furnished with 

 a long slender spine near its proximal end and a thick rounded lobe opposite the 

 base of the fingers. Outer margin of propodal finger rimmed. Judging from the 

 socket of the movable finger, it lies above and overlaps the immovable one; the 

 latter is provided with a median dentated ridge which may have served as a cut- 

 ting edge against that of the overlying dactylus. 



The length of larger specimen from median frontal sinus to rear of cardiac region 

 is 34 millimeters ; length from tips of frontal teeth to same point, 35.3 millimeters ; 

 width of carapace (approximate), 67.2 millimeters; width between outer orbital 

 angles, 22 millimeters; width of front, 10.5 millimeters. 



The type locality is the quarry at the base of the hill in the city of Parahyba do 

 Norte, Brazil : two specimens. 



The genus Zanthopsis contains several species described from the Eocene of 

 Europe. Z. cretacea differs from them all in the character of the nodulation. It 

 resembles Z. kressenbergensis, Meyer, in having a long lateral spine, but this spine 

 is much stouter in our species. The long spine on the propodus of the cheliped is 

 unique. Specimens are in the National Museum of an undescribed species of 

 Zanthopsis from the Eocene of Alabama. 



The specimens here described are deposited in the U. S. National 

 Museum at Washington, D. C. 



DOCTOR WILLISTON'S DESCRIPTION OF CIMOLICHTHYS N. SP. 



The fish remains from Parahyba do Norte, Brazil, have been referred 

 for determination to Dr S. W. Williston, of the University of Kansas, 

 who kindly furnishes the following description : 



" The specimen of Cimollchthys preserved is a fragment of the skull, contained in 

 a small block of rather hard limestone. The only characteristic portion is a part 

 of the right dentary, 65 millimeters in length, containing five teeth of the inner 

 row and eight or ten of the outer row. This portion, however, is so characteristic 

 of this peculiar genus of Cretaceous fishes that there would seem to be little doubt 

 of the affinities of the specimen, incomplete as it is. It can be referred almost un- 

 hesitatingly to the genus Oimolichthys (Empo), an opinion concurred in by Mr 

 Steward, who has studied our Cretaceous fishes and who has examined the present 

 specimen. The material, however, is hardly sufficient to render the specific de- 

 termination certain, should the beds whence the specimen comes yield other species 

 of the same genus upon further examination. For this reason I refrain from giving 

 the present species a name. 



" Cimollchthys has been known hitherto only from the Upper Cretaceous of 

 Europe and North America. The type of the genus, C. lewesiensis, is from the 

 Upper Chalk of England, while isolated teeth have been referred to the genus 

 coming from the upper Planer beds of Bohemia. In North America four or five 

 species are known from the Niobrara and Fort Pierre Cretaceous of Kansas. It 



