Catalogue Rhcently Described AIollusca 183 



I,AMPSILIS ozarkexsis (Call). 



Is a Nepliro^iaias according to Utterback (135, p. 344). Ortmann (84, 

 p. 62) has more recently determined it to be a Fiisconaia. 



Lampsilis tarva (Bar.). 



Unio pcrtcuuis De Gregorio, ^NIoll. di aq. dul. di Amer., 1914. p. 31, pi. \'I, 

 figs. 4a-f, non Lea, 1863. 

 This species is the trne t^■pe of CanuicuVuia according to Ortmann (81. 

 p. 68). 



Lampsilis perdix (Lea). 



Is a Xcphronaias according to Ortmann (79, p. 326). It is rather an 

 Actinonaias. 



Lampsilis perpurpurea (Lea). 



Is a Microiiixa according to Ortmann (81. p. 63). 



Lampsilis picta (Lea). 



Is a Microniya according to Ortmann (79, p. 342). 



Lampsilis pleasii f^Iarsh). 



Is a Ncphronaias according to LUterback (135, p. 343). It is rather an 

 Actinonaias. 



Lampsilis radiata (Gmel.). 



Unio niiiJilfcIdiaiius pliiriniaffinis De Gregorio. [Moll, di aq. dul. di Amer., 

 1914. p. 8, pi. Ill, figs. 2a-d. 



Lampsilis radiata oneidensis Baker. 



Lampsilis borealis Baker, Tech. Pub. X. Y. Coll. For., 4, 1916, p. 257, fig. 



44, nos. 1-4. 

 Lampsilis radiata oneidensis Baker, Xaut., XXX, 1916, p. 74, pi. II. 

 Type locality : Oneida Lake, X. Y. 



Lampsilis recta (Lam.). 



Unio sageri Conrad, Mon., W, 1836, p. 53. pi. xxix, fig. i. 

 Lampsilis recta saf/eri Simpson, Desc. Cat., 1914, p. 96. 



Lamarck's type came from Lake Erie and is the small form character- 

 istic of the Great Lakes that Conrad described as Unio sageri. The large, 

 normal form from the Ohio and elsewhere may be distinguished under 

 Rafinesque's name. 



