VOL, IV. | California Earth-Worms. 251 
though it is probable that the Australian species has been intro- 
duced from some other country. 
There are at least three California species. 
DELTANIA ELEGANS n. sp. Size two to four inches. Septal 
glands very small, the posterior one being the smallest. Sperma- 
theca variable, very pellucid, assuming the nature of a spermsac. 
Spermsacs small, deeply lobed, one pair in xi and one in xii. 
Prostate helix-like at the top. Penial papille with two or more 
penial setze in each sac. 
Habitat.—San Francisco, Berkeley, Mount Diablo, Santa 
Rosa, or in general, the country surrounding San Francisco Bay. 
Is probably of a much wider distribution.* This is the largest 
species of the genus so far known. 
The most important feature of this species is the abnormal 
construction of the spermatheca. Instead of being a highly 
muscular and glandular organ with a muscular duct, it simpiy 
consists of a very thin-walled sac or membrane in which 
spermatozoa are stored. But the most peculiar fact connected 
with the spermatheca is, that it is variable in position, sometimes 
being median, sometimes paired, or sometimes entirely absent, 
thus demonstrating the great variability of the organ. This 
species differs from De/tania dubia Fletcher by having the anterior. 
_nephridium commencing already in somite ii, the latter species. 
having the first nephridium in v. 
DELTANIA TROYERI n. sp. A very minute species of the 
size of an Enchytrzeus, largest specimen about one and one- 
fourth inches by one-half line, while most specimens are smaller. 
Septal glands large, the one in vi the largest. One pair of 
large, opaque and permanent spermatheca with one pair of 
diverticula in ix opening viii/ix. One developed seta in 
each sac of penial setze. Prostate tubular, not helix-like at the top. 
Penial exterior papillae not prominent. The inner couples of 
. setee are further apart than in the following species. The 
diverticula of the spermatheca are about one-half or more longer 
than the spermatheca. 
* Since writing the above I have found two species of Deltania in Baja 
California at Ensenada; the genus has thus a wide distribution. 
