236 
GENUS. 
Group. 
mences at So- 
Clitellum com- 
mite. 
WILLIAM BLAXLAND BENHAM. 
TABLE OF THE CHARACTERS 
A} Lumbricus, Linn. 
B| Hypogeon, Sav. 
C| Megascolex, Temp. 
D} Criodrilus, Hoffm. 
| Helodrilus, Hoffm. 
F| Echinodrilus, Vaill. 
G| Pericheta, Schm. 
H| Pontoscolex, Schm. 
Ij Tritogenia, Kinb. 
J} Mandane, Kinb. 
K/ Geogenia, Kinb. 
J,| Alyattes, Kinb. 
M 
N| Hegesipyle, Kinb. 
Eurydame, Kinb. 
O| Rhodopis, Kinb. 
P| Anteus, E. Perrier 
Q)| Titanus, E. Perrier 
.| Ante. 
-| Post. 
-| Post. 
fe 
ba 
XIV 
XV 
Ix 
' rj 
o §"tp 
nes ne 
Soe Position 
a> of 
308g Male 
na 
ao8g Pore 
ste 
Aas 
7 XV 
Ant. ?| xxviz|6 to 10 P 
? P 
None XIV 
None XV 
None xah 
3 XVIII 
? EXETER? 
None |Between 
XVI and 
XVII 
5 Ixvr and 
XVIII or 
XXI and 
XXIII 
10 XVI 
ty ? 
? ? 
? ? 
2 |Between 
XIV and 
xV 
XII 
9 |Between 
XVIIIand 
xIxX 
? xIand 
Copulatory 
Appendage. 
P 
? 
Pair of papille 
carrying male 
pores in line 
with ventral 
Position 
Spermathecee 
Ix and X 
% 
~wuu 
group of set 
Sometimes pa- 
pille, some- 
times none. 
P 
Four male 
pores 
None 
None 
Vv to Ix 
Pair in VII 
None ? 
