ECHINODERMATA. 159 



No. 768. Cidaris glandifera, Goidf. 



Two spines. The spines of this species are called " Jew- 

 stones" by the Pilgrims, who bring them in large numbers from 

 the Holy Land. They are pyriform, and covered with granules. 

 From the Jurassic ('?), Mount Carmel, Palestine, and now in the 

 Ward Museum of the University of Rochester. Price, $0.30. 



No. 769. Cidaris Blumenbachii, Munst. 



Spine. This beautiful, characteristic, turban-shaped Echinus has an inflated' 

 test, large, prominent tubercles, and elongated spines covered with longitudinal 

 granulated striae. This spine is from the Coral Rag (Middle Oolite), Wilts, Eng- 

 land. Price, $0.15. 



No. 770. Cidaris rilamentosa, Agass. 



Group of spines, on slab. The spines of this species resemble those of 

 C. sceptrifera, but are larger ; the granules are sharp, and arranged in very 

 regular series. From the Upper Cretaceous of France. Now in the Ward 

 Museum of the University of Rochester. Price, $0.50. 



No. 771. Cidaris Suevica, Desor. 



A distinctive feature in this Urchin is a double row of granules of unequal 

 size along the ambulacra. From the Upper Oxfordian (Middle Oolite), Wirtem- 

 berg. Price, $0.50. 



No. 772. Codechinus Tallavignesi, Cotteau. 



The test of this Cidarite is conical, higher than wide ; ambulacra narrow ; 

 tubercles narrow and imperforated. From the Cretaceous, Department of Aude, 

 France. Price, $0.40. 



No. 773. Grlypticns hieroglyphicus, Agass. 



This Cidarite has broad ambulacra : while the tubercles of the ambulacra 

 are imperforate, and those of the interambulacra are replaced by irregular asper- 

 ites. The spines are unknown. The species characterizes the Coral Rag (Middle 

 Oolite) of France and Switzerland. Price, $0.20. 



No. 774. Glypticus Burgundiacus, Mich. 



This large and beautiful species is very rare. From the Oxfordian (Middle 

 Oolite), Estrochey, France. Price, $0.15. 



No. 775. G-oniopygus Menardi, Agass. 



This Urchin, belonging to the Cideridai with broad 

 ambulacra, has a solid apicial disc, small, imperforated 

 tubercles, and large mouth. From the Upper Greensand 

 (Cretaceous), Lemans, France. Price, $0.20. 



