SCOLECIDA. 
745 
malum ehmgatnm, L. gracile (p. 145), L.Jiguraltim (p. 146), JEnophis communis 
(p. 148), E. dujardmu, E. pigmentosus (149), E. inermis, E. hrcvis (150), Lin- 
komoeus hirsutus (p. 154), L. elongatus (p. 155), Tachyodites natans (p. 155), 
T. parvus (p. 156), Theristus acer (p. 157), E velox (p. 157), Sphccrolawms 
hirsutus (157), Comesoma vulgaris (p. 158), C. profundi (p. 159), Spira para- 
sitifera (p. 159), S. Iccvis, S. tenuicaudata (p. 160), Cyatholaimus ocellatus^ 
C. cvccus, C. ornatus (p. 163), C. ptinctalus, C. striatus (p. 164), Spilophora 
clcgans (p. 105), S. inccqualis, S. rohusta, S. costata (p. 160), Chromadora 
vulgaris (p. 107), C. nudicapitata, C. natans {-p. 168), C. ccvca, C.JiUformiSj 
C. sabelloides (p. 169), C. papillata (p. 170). 
Bastian (/. c. p. 93) gives the following tabular list of genera 
of Anguillulidoi, which we slightlj^ condense : — 
I. Land and Freshwater. 
Spicules two, equal, with or without a single posterior median accessory 
piece. 
* Integument plain, or with longitudinal markings. No ventral excretory 
gland. 
t Caudal sucker small. 
1. Pharyngeal cavity none. (Esophagus cylindrical. 3Ionhystera, g. n. 
2. Pharyngeal cavity large, with one upper tooth-like projection. Canal 
of oesophagus indicated by three bright lines. 3Lononchus, g, n. 
3. Pharyngeal cavity ; wo teeth. (Esophagus having three lobes 
at termination Trilobus, g. n. 
tt Caudal sucker absent. 
4. Pharyngeal cavity small, long, and narrow. (Esopliageal canal bounded 
by tluce bright lines. Iromis, g. n. 
5. (Esophageal canal as in 4. Sjiear exscrtile at its commencement. 
EorylaimuSy l)uj. 
6. (Esophagus with oval swelling at its termination, containing a simple 
valvular apparatus Anguilhda, Ehr. 
** Integument with transverse strise. Ventral gland present or absent. 
t Caudal sucker present. 
7. No pharyngeal cavity. (Esophagus with constricted portion at termi- 
nation Tripyla, g. n. 
8. Pharyngeal cavity cup-shaped, with small horny plates at bottom. 
(Esopiiagiis with large muscular swelling at middle of length. 
Diplogaster, Schultze. 
9. Pharyngeal cavity lotig and narrow. (Esophagus with oval swelling at 
its terminatioiiy with complex valvular apparatus. Ventral gland 
opening by twisted duct, near middle of oesophagus. 
Plcctus, g. n. 
10. (Esophagus terminating in a large rounded muscular swelling. Ventral 
gland opening posterior to termination of oesopbagus. 
AphelenchuSy g. n. 
tt Caudal sucker absent. 
11. (Esophagus with rounded swelling posteriorly, containing simple 
valvular apparatus. Ventral gland opening in 10. .Males with 
caudal alee CephalohuSy g. n. 
12. (Esophagus with rounded swelling about its middle. Ventral gland 
opening as in 11. Caudal alte narrow, unsupported. 
Tylenchus, g. n. 
