FAUNAL SUMMARY. 



667 



Malacostraca. 



1. Stenotheca abrupta, L, b 



2. S. curvirostra, L, b 



3. S. pauper, L, a, b 



4. S. levis, L, a, b 



9. Nothozoe vennontana, L, c 

 16. Aristozoe troyensis, L, c 



Merostomata. 

 9. Aglaspis eatoni, TJ, f 

 II. Strabops thatcheri, XJ, e 



Cystoidea. 



1. Eocystites longidactylus, M?, 



2. E. primaevus, M, a 



Ordovicic Faunas. 

 The following provinces are recognized : 



(a) New York, eastern Canada, Newfoundland, and Arctic 



extension. 

 {h) Southern Appalachians (New Jersey and Pennsylvania 



to Alabama). 

 {c) Gulf (Oklahoma, Missouri). 

 {d) Cincinnati-Nashville domes. 

 {e) Upper Mississippi (Illinois, Iowa, Michigan, Wisconsin, 



Minnesota, and Canadian extension). 

 (/) Black Hills and Rocky Mountains. 

 {g) Pacific (Nevada to Alaska). 



PORIFERA. 



*3. Hindia fibrosa, M, TJ 

 7. Brachiospongia digitata, U, d 

 9. Receptaculites oweni, TJ, e 



12. R. mammillaris, L, g 



13. R. iowensis, TJ, e 



Graptolites. 

 Desmograptus cancellatus, M, a 

 Dendrograptus flexuosus, L, a 

 Ptilograptus plumosus, L, M, a 

 Coenograptus gracilis, M, a 

 Dichograptus octobrachiatus, L, 

 D. logani, L, a 

 D. thureaui, L, a 

 Tetragraptus bigsbyi, L, a 

 T. quadribrachiatus, L, a 

 Phyllograptus typus, L, a, c 

 P. ilicifolius, L, a 

 P. angustifolius, L, a 

 P. anna, L, a, c, g 

 Didymograptus bifidus, L, a 

 D. nitidus, L, a 

 D. patulus, L, a 



22. Climacograptus bicornis, M, a, d 



23. C. typicus, TJ, a, d 



24. Dicranograptus ramosus, M, a 



25. Dicellograptus complanatus, M, a 



26. D. divaricatus, M, a 



27. D, sextans, M, a 



28. Diplograptus pristis, TJ, a, b 



29. D. foliaceus, M, a 



30. D. whitfieldi, M, a 



31. D. dentatus, L, a, c 



Hydrocorallines. 



19. Stromatocoerium rugosum, M, a 



20. S. eatoni, M, a 



21. Cryptozoon proliferum, L, a 



22. Labechia ohioensis, TJ, e 



23. Beatricea nodulosa, TJ, a, d 



24. B. undulata, TJ, a 



Anthozoa. 



1. Streptelasma profundum, M, a e 



2. S. corniculum, TJ, a, d, e 



3. S. rusticum, TJ, d, e 



49. Columnaria halli, M, a, e 



