TYPE SPECIMENS OF PALEOZOIC FOSSILS 439 



2718 g y g type Clarke. New York state museum memoir 3. 1900. 



pi. 4, fig. 16. 



Oriskanian Becraft mountain, Hudson N. Y. 



2719 **/ * type: plastotype Clarke. New York state museum 



memoir 3. 1900. pi. 4, fig. 17. 



Oriskanian Becraft mountain, Hudson X. Y. 



Megambonia (?) lamellosa Hall 



2720 *y* type Megambonia lamellosa Hall. Paleontol- 



ogy of New York. 1859. 3 1467, pi. 109, fig. 6. 



Oriskanian Schoharie county, N. Y. 



Megambonia (?) obscura Hall 



2721 Hf^- type Megambonia obscura Hall. Paleontology 



of New York. 1859. 3 :277, pi. 49A, fig. 7. 



New Scotland beds Schoharie county, N. Y. 



J. Gebhard purchase 



Megambonia s u b ca r d i i fo r m i s see Megam- 

 bonia cardiiformis 



Megambonia (?) suborbicularis Hall 



2722 *4£& type Megambonia suborbicularis Hall. Pale- 



ontology of New York. 1859. 3 : 273, pi. 49 A, fig. 5. 

 New Scotland beds Carlisle, Schoharie co. N. Y. 



J. Gebhard purchase 

 microdon Conrad 



Microdon bellistriata see Microdon (Cypricar- 



della) bellistriatus 



Microdon (Cypricardella) bellistriatus Conrad 



2 7 2 3 - 1 i i0 hypotype M icrodo n b ell istria ta Conrad. Jour- 



nal of the Academy of natural sciences of Philadelphia. 

 1842. 8:247. 



Microdon (Cypricardella) bellistriatus 

 Hall. Paleontology of New York. 1885. v. 5, pt 1, 

 pi. 42, fig. 8b. 



Hamilton beds Ludlowville, Cayuga co. N. Y. 



I .. B. Simpson, coll. i 



On ilab irith type of Gtoniophora ragost, l'ul. X. v. 



l»t 1, pi. 42, 0g. X:i. 



2724 -"J" hypotype Hall. Paleontology of New York. 1885. 



v. 5, pt 1, pi. 42, fig. 18. 



Hamilton bed-, lidlona, Yattt CO. N. Y, 



\. White and C, Van Deloo, coll. i860 



