Botany and Zoology. 135 
eration. This description has been overlooked by all subsequent authors, 
“Systema Helminthura” of Diesing, 1851, who overlooks Gray’s desevip- 
tion,—until the appearance of my Conspectus of the Turbellaria Dendro- 
ceela in the Proceedings of the Philadelphia Academy of Natural Sciences 
for February, 1857, where the genus is described under the name of Bi- 
“Corpus. lineare, depressiusculum. Caput discretum, lunatum, trans- 
versum ; auriculis sat longis, retrorsum tendentibus. celli numerosi, 
bes ° . . le 
Four species were described, all from the Japanese islands. The origi- 
nal species observed in China was not found named in the Synopsis, as 
the specimens of that species were unfortunately lost. 
In 1859 the genus was renamed by Dr. Schmarda in his “ Neue Wir- 
ellose Thiere.” He calls it Sphyrocephalus and gives a colo , 
and an anatomical description. 
Both Schmarda and Wright have overlooked previous labors, so that — 
the genus now rejoices in three distinct appellations, all given within four 
_ years. Of these Bipalium is the earliest. Eight species are now known. 
20, The Museum of Comparative Zodlogy in Cambridge, Mass., was 
dedicated with ce ceremonies and addresses, to the service of 
Science and the Commonwealth, on the 13th of November, in the pres- 
_ ence of a large concourse of invited gudetas® orice deel. fe csch i 
