DIPLOPODA. 
PLATE XV. 
Fig. 1. Rhysodesmus limax, Sauss. : extremity of phallopod from inner side. 
la. - » sternum and legs of 11th segment of g. (These two figures 
taken from specimen in the British Museum identified by 
me as R. limaz.) 
2. Rhysodesmus tabascensis, sp. n., 2 : sternum and leg of 9th segment. 
Qa. 7 » lateral view of keel and interzonal area of 9th 
segment, 
3. Rhysodesmus stolli, sp. n.: anterior extremity. 
3a. ” » phallopods from below. 
36. > » left phallopod from outside. 
4. Rhysodesmus godmani, sp. n., 6: anterior extremity. 
4a. » » phallopods from below. 
46. » > left phallopod from outside. 
4 ¢. » ” sternum and leg of 9th segment. 
Ad. » » lateral view of keel and interzonal area of 9th segment. 
5. Rhysodesmus salvini, sp. n.: phallopods from below. 
5a. » a left phallopod from outside. 
6. Rhysodesmus flavocinctus, sp. n.: phallopods from below. 
6a. ” » left phallopod from outside. 
7. Rhysodesmus attemsi, sp. n.: phallopods from below. 
7 a, » » right phallopod from outside. 
7 Ob. » - keel of 9th segment. 
8. Rhysodesmus montezume, Sauss., fg : keel of 9th segment. 
9. Rhysodesmus pusillus, sp. n.: keel of 8th segment. 
10. Rhysodesmus notostictus, sp. u.: left phallopod from below. 
10 a. ” » left phallopod from outside. 
ll. Rhysodesmus inustus, sp. 0.: phallopods from below. 
lla. 99 ” left phallopod from the outside. 
12. Rhysodesmus smithi, sp. n.: phallopods from below. 
12a. ” - right phallopod from outside. 
13. Rhysodesmus arcuatus, sp. v.: phallopods from below. 
13a. » - right phallopod from outside. 
13 6. - » right phallopod from inner side and from a slightly different 
position, to show coxal calcar and groove. 
13. » » posterior end of body from below. 
13 d. » ” anterior extremity. 
13 e. ” » posterior extremity. 
14, Rhysodesmus angelus, Karsch: right phallopod from outside (after Attems). 
15. Rhysodesmus violaceus, Brél.: extremity of phallopod (after Brélemann). 
