64 H. WOOD WA ED ON AN OETHOPTEEOTJS INSECT 



(Locust Ida.) 



29. Gryllacris lithanthraca, F. Gold. Coal-measxires, Saarbruck. 



30. (Corydalis) Brongniarti, Mant. Ditto, Coalbrook-dale. 



31. Acridites carbonatus, Germar. Ditto, Westphalia. 



(Mantidce'i) 



J 32. Lithomantis carbonarius, H. Woodw. Coal-measures, Scotland. 



33. Mantis ?, sp., Scudder. Ditto, Grundy Co., Illinois. 



Nkuropteea. 



34. Termes Heeri, F. Gold. Coal-measures, Saarbruck. 



35. formosus, F. Gold. Ditto, ditto. 



36. Decbeni, F. Gold. Ditto, ditto. 



37. affinis, F. Gold. Ditto, ditto, 



38. Dictyoneura anthracopbila, F. Gold. Coal-measures, Saarbruck. 



39. Humboldtiana, F. Gold. Ditto, ditto. 



40. libelluloides, F. Gold. Ditto, ditto. 



7 41. Miamia Bronsoni, Dana. Ditro, Grundy Co., Illinois. 



J 42. Dana, Scudder. Ditto, ditto. 



v 43. (Chrestotes) lapidea, Scudder. Ditto, ditto. 



44. Hemeristia occidenialis, Dana. Ditto, ditto. 



45. Mylacris anthracopbila, Scudder (in Dana). 



46. Megathentomum pustulatum, Scudder. Ditto, ditto. 



47. Euphemerites simplex, Scudder. Ditto, ditto. 



48. g'gas, Scudder. Ditto, ditto. 



49. affinis, Scudder. Ditto, ditto. 



J 50. Haplophlebium Barnesii, Scudder. Ditto, Cape Breton. 



Lepidoptera? 

 51. Tinea, sp., Fabricius. Coal-measures. 



DEVONIAN. 



1. Platephemera antiqua, Scudder. Devonian, New Brunswick. 



2. Homothetus fossilis, Scudder. Ditto, ditto. 



3. Lithentomum Harttii, Scudder. Ditto, ditto. 



4. Xenoneura antiquorum, Scudder. Ditto, ditto. 



5. Gerephemera simplex, Scudder. Ditto, ditto. 



6. Dyscritus vetustus, Scudder. Ditto, ditto. 



7. Archimylacris acadicus, Scudder. Ditto, ditto. 



EXPLANATION OF PLATE IX. 



Fig. 1 . Lithomantis carbonarius, sp. nov. ; nat. size. Coal-measures, Scotland. 



2. Gryllacris (Corydalis) Brongniarti; nat. size. Ditto, Coalbrook Dale. 



3. Blcpharis domina (recent) ; nat. size. White Nile, Abyssinia. 



Discussion. 



Mr. Chaeleswoeth inquired whether the presence of the few 

 Cretaceous fossils found in the deposit which had furnished the 

 NeAv-Zealand Crab described might not be the result of the degra- 

 dation of preexisting rocks. 



Dr. Hectoe replied that, on stratigraphical grounds, this could not 

 be the case. 



Mr. Chaeleswoeth stated that he had been unable to ascertain 

 the precice locality of the fossil Orthopterous insect described, but 

 that he was informed by the gentleman from whom he received it 



