180 
SMITHSONIAN MISCELLANEOUS COLLECTIONS 
ANNOTATED LIST OF GENERA AND SPECIES—Continued 
Species 
S. perplexa Cooper 
S. virgimensis Cooper 
Scaphorthis sp. t 
Schizambon cuneatum 
Willard 
S. duplicimuratum Hudson 
S. hirsutum Cooper 
S. irregulare Cooper 
S. lineatum Cooper 
S. macrothyris Cooper 
S. perspinosum Cooper 
S. subradiatum Cooper 
Schizambon sp. 1 
Schizambon sp. 2 
Schizocrania filosa (Hall) 
Schizotreta canadensis Wilson 
S. corrugata Cooper 
S. microthyris Cooper 
S. pannea (Willard) 
S. papilliformis Ruedemann 
S. posteroconvexa Cooper 
S. shuleri (Willard) 
S. subconica Cooper 
S. willardit Cooper 
Schizotreta sp. 1 
Siphonotreta americana 
Cooper 
Skenidioides anthonensis 
(Sardeson) 
S. billingsi Schuchert and 
Cooper 
S. convexus Cooper 
S. costatus Cooper 
SPECIES 
Stage Formation 
Porterfield Effna-Rich Valley, 
Botetourt 
Porterfield Chatham Hill 
Porterfield Effna-Rich Valley 
Porterfield Effna, Botetourt 
Marmor Crown Point, 
Mingan, 
St. Martin 
Ashby Murat 
Porterfield Arline 
Wilderness Wardell 
Porterfield- Benbolt, Wardell 
Wilderness 
Wilderness Bromide 
(Pooleville) 
Porterfield Arline 
Porterfield Effna-Rich Valley 
Porterfield Pratt Ferry 
Wilderness- Barnhart, 
Trenton Martinsburg 
Wilderness Chaumont 
Porterfield Pratt Ferry 
Wilderness Oranda 
Porterfield Effna 
Porter field- Normanskill 
Wilderness (Mount Merino) 
Porterfield Athens 
Porterfield Effna, Botetourt, 
Rich Valley 
Porterfield Pratt Ferry 
Porterfield Pratt Ferry 
Ashby Lincolnshire 
(Hogskin) 
Porterfield Arline 
Wilderness Platteville 
(Pecatonica) 
Wilderness Rockland 
Porterfield Pratt Ferry 
Porterfield Liberty Hall, 
Red Knobs 
Geographi 
location 
VOL. 
Cc 
N. Y., Quebec, 
St. Lawrence 
River 
Va. 
Tenn. 
Va. 
Va. 
Okla. 
Tenn. 
Vas 
Ala. 
Mo., Va. 
Ontario 
Ala. 
Va. 
Vas 
Nix? 
Tenn. 
Va. 
Ala. 
Ala. 
Tenn. 
Tenn. 
Iil., Minn. 
Ontario 
Ala. 
Tenn., Va. 
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493 
