REPORT OF THE DIRECTOR I9O4 1 29 



CLASSIFICATION OF TYPE SPECIMENS BY 

 GEOLOGIC FORMATIONS 



References are to the serial marginal numbers at the left of each page. 



LOWER SILURIC 



BEEKMANTOWN LIME- 

 STONE 

 Cnidaria 



Bryograptus lapworthi, 5758-69 

 Bryograptus pusillus, 577° 

 Callograptus cf. diffusus, 5771, 5772 

 Callograptus salteri, 5773-76 

 Caryocaris cf. curvilineatus, 5777 

 Climacograptus ? (Cryptograptus) 



antennarius, 5778-83 

 Climacograptus pungens, 5784-90 

 Dawsonia monodon, 5791-95 

 Dawsonia tridens, 5796-98 

 Dendrograptus flexuosus, 5799-5801 

 Dendrograptus fluitans, 5802 

 Dendrograptus ? succulentus, 5803-6 

 Desmograptus cancellatus, 5807-10 

 Desmograptus intricatus, 5811-15 

 Dichograptus octobrachiatus, 5816- 



24 



Dictyonema flabelliforme, 5825-47 

 Dictyonema flabelliforme var. con- 



fertum, 5848 

 Dictyonema furciferum, 5849 

 Dictyonema rectilineatum ,5850,5851 

 Didymograptus sp., 5852 

 Didymograptus acutidens, 5853 

 Didymograptus bifidus, 5854-57 

 Didymograptus (Isograptus) cadu- 



ceus, 5858, 5859 

 Didymograptus caduceus mut. nanus, 



5860-62 



Didymograptus cuspidatus, 5863 

 Didymograptus ellesi, 5864-66 

 Didymograptus extensus, 5867-73 

 Didymograptus filiformis, 5874-80 

 Didymograptus forcipiformis, 5881- 

 84 



Didymograptus gracilis, 4881, 5885- 

 88 



Didymograptus incertus, 5889 

 Didymograptus nanus, 5890-91 

 Didymograptus nicholsoni var. 



planus, 5892-96 

 Didymograptus nitidus, 5897-5904 

 Didymograptus nitidus var. grandis, 



59°5 



Didymograptus patulus, 5906-8 

 Didymograptus similis, 5909-14 

 Didymograptus spinosus, 5915-17 

 Didymograptus tornquisti, 5918 

 Diplograptus dentatus, 5919-23 

 Diplograptus inutilis, 5924, 5925 

 Diplograptus laxus, 5926-32 

 Diplograptus longicaudatus, 5933 

 Glossograptus echinatus, 5934-36 

 Glossograptus hystrix, 5937-39 

 Goniograptus geometricus, 5940-56 

 Goniograptus perflexilis, 4879, 595 7- 

 66 



Goniograptus thureaui var. postre- 



mus, 4923-33, 59 6 7-7i 

 Loganograptus logani, 5972-74 

 Loganograptus logani mut. pertenuis, 



5975 



Phyllograptus angustifolius, 5976-80 

 Phyllograptus anna, 5981-85 

 Phyllograptus anna mut. ultimus, 

 5986-88 



Phyllograptus ilicifolius, 5989-96 

 Phyllograptus typus, 5997-5999 

 Ptilograptus geinitzianus, 6000 

 Ptilograptus plumosus, 6001 

 Ptilograptus tenuissimus, 6002 

 Retiograptus tentaculatus, 6003-5 

 Sigmagraptus praecursor, 6006-7 

 Staurograptus dichotomus, 6008-27 

 Staurograptus dichotomus var. aper- 



tus, 6028-31 

 Strophograptus trichomanes, 6032, 



6033 



Temnograptus noveboracensis, 6034- 

 41 



