177 



18GS. 



[Ruschenberger. 



Verbal, June 2, that some Sombrero guano contains ninety per cent, of phosphate of 



lime. Vol. 20. p. 156. 

 Notice of some Vertebrate Remains from Harden County, Texas. Vol. 20, pp. 174-6. 

 Indications of an Elotherium in California. Vol. 20, p. 177. 

 Notice of some Reptilian Remains from Nevada. Vol. 20, pp. 177-8. 

 Notice of some Vertebrate Remains from the West Indian Islands. Vol. 20, pp. 178-SO. 

 Notice of some Remains of Horses. Vol. 20, p. 195. 

 Notice of some Extinct Cetaceans. Vol. 20, pp. 196-7. 

 Remarks on a Jaw fragment of Megalosaurus. Vol. 20, pp. 197-200. 

 Remarks on Conosaurus of Gibbes. Vol. 20, pp. 200-2. 

 Notice of American species Ptychodus. Vol. 20, pp. 205-8. 



Verbal, Oct. 20, that he found the stomach of a shad full of small fishes. Vol. 20, p. 228. 

 Notice of some American Leeches. Vol. 20, 229-30. 

 Notice of the remains of extinct Pachyderms. Vol. 20, pp. 230-2. 

 Verbal, Nov. 3, in reference to specimens seemingly of coprolites from the Huronian 



slates. Vol. 20, pp. 302-3. 

 Verbal, Nov. 3, that iridescence in opals is caused by strife, 6000 to tlie inch. Vol. 20, 



p. E03. 

 Verbal, Dec. 1, on asterism in mica. Vol. 20, p. 313. 

 Notice of some remains of extinct Insectivora. Vol. 20, p. 315. 



1869. 



Notice of some extinct vertebrates from Wyoming and Dakota. Vol. 21, pp. 63-7. 



1870. 



Verbal, Jan. 4, description of Megacerops Coloradensis. Vol. 22. pp. 1, 2. 



Verbal, Jan. 11, remarks on Poicilopleuron and other fossils submitted for examination 

 by Prof. Hayden. Vol. 22, pp. 8-5. 



Verbal, March 1, remarks on the right humerus of one of the extinct giant Sloths re- 

 sembling Mylodoii robustus, and on Dromotherium sylvestre, submitted for exam- 

 ination by the Smithsonian Institution. Vol. 22, pp. 8, 9. 



Verbal, March 8, remarks on reptilian remains from the Cretaceous formation near Fort 

 Wallace, Kansas, described by Prof. Cope under the name of Elasmosaurus platyu- 

 rus. Vol. 22, p. 9. 



Verbal, March 22, observations on ichthyodorulites, of which specimens were shown ; 

 on a metacarpal bone of Megalonyx Jeffersoni, and on a last lower grinder of Bison 

 autiquus. Vol. 22, pp. 12-3. 



Verbal, April 5, remarks on Discosaurus and its allies. Vol. 22, pp. 18-22. 



Verbal, May 3, description of the internal generative organs of a hog, which were ex- 

 hibited. Vol. 22, p. 65. 



Verbal, May 17, remarks on some fossil bones from the Pliocene formation in the Mau- 

 vaises Terres of Dakota, which were shown. Vol. 22, pp. 65-6. 



Verbal, June 14, observations on mammalian fossil remains, submitted for examinatio.n, 

 from Idaho, from Utah, and from Oregon ; also, on Hadrosaurus and its allies. 

 Vol. 22, pp. 66-9. 



Verbal, June 21, notice of two fossil fragments belonging to Bison americanus and Ele- 

 phas americanus. Vol. 22, pp. 69-71. 



Verbal, July 5, remarks on differences between animals of the same species inhabiting 

 Europe and America. Vol. 22, p. 72. 



Verbal, July 12, remarks on a mutilated portion of the lower jaw of a large ruminant 

 supposed to belong to Ovlbos cavifrons. Vol. 22, p. 73. 



Verbal, July 19, observations on a fossil, which he exhibited and named Nothosaurus 

 occiduus. Vol. 22, p. 74. 



Verbal, Aug. 2, description of Nephelis punctata, a new leech. Vol. 22, pp. 89-90. 



