TREMATOIDEA, DISCOPHORA, TURBELLARIA. 
455 
diorum insigne. Os in apice.” Typo M. clegans, sp. n., id. 1. c. figs. 7-12, in 
gall-bladder of Cliimcm'a monstrosa, Skagerack. 
Distoma pseudostoma, sp. n., Willemoes-Sulim, 1. c. p. 186, pi. 11. fig. 2, in 
small intestines of Alligator Indus, Charleston. 
DISCOPHORA. 
E. GnuBE Beschreibungen einiger Egel-Arten,” Arch. f. Nat. xxxyii. pp. 
87-121, pis. 3 & 4) describes the following known as well as many new spp.: 
— Jlirudo elegans, novemstriata, brevis, Grube, pp. 91-93, pi. 3. figs. 2-4 ; II. 
(Oxgptgchns) strintns, Grube, p. 96, pi. 3. fig. 6 ; Atflacostomum gulo, Brahm, 
p. 97, pi. 3. fig. 7 ; NepJicUs quadristriata, Grube, p. 104 ; Clcpsine octostriatn, 
Grubo, p. 109, ph 4. fig. 4 ; C. carinata, Dies., p. 110 ; C. mactdosa, Rathke, 
p. 114, pi. 4. fig. 1. 
Clepsine bioculata. Development described by E. Metsclmikoff, Dull. 
Petersb. xv. pp. 606 & 606. 
Cylicohdella, g. n., Grube, 1. c. p. 101. Subterranea j corpus rotundato- 
deprcssum elongatum, angustum, antrorsum valde attenuatum, annulis per- 
fectis ad 100 ; discus anterior baud dilatatus, posterior acetabuliformis ; anus 
rima transversa, satis magna, supra basin ejus sita. Plicse maxillares cras.si- 
ores nullre, pro iis plures tenuiores, circulum componentes. Oculi baud di- 
stingiiendi. Aperturse genitales inter 27mum et 28mum et inter 29mum 
et 30mum si tie.” Type C. lumbrieoides, sp. n., id. 1. c. p. 101, pi. 3. fig. 6, 
Desterro, Brazil. 
New species : — 
Hirudo quinquelineata, id. 1. c. p. 88, pi. 3. fig. 1, Dlagoweschtschensk. 
Aidacostomum kraussi, Port Natal, umhrinum, Massachusetts, <mops, Missi- 
sippi : id. 1. c. pp. 98-100. 
NepJielis fervida, Verrill, Am. J. Sc. (3) ii. p. 461, Lake Superior. 
Pisdcola conspersa, Angara, torquata and multistriata, Baikal: Grube, 1. c. 
pp. 116, 117, 119, pi. 4. figs. 6, 7, 6. 
Iclithyobdella punctata, Verrill, 1. c. p. 461, Lake Superior. 
Clepsine hudgii, lineolata, Desterro, Brazil, tuberctdifera, Surinam, pp. 106- 
107 ; eckinulata, mollissima, pp. 110, 112, pi. 4. figs. 2 & 3, Baikal : Grube, 1. c. 
TURBELLARIA. 
Neto species : — 
Borlasia incompta, Ehlers, SB. Soc. Erlang. 1871, p. 86, Spitsbergen; JB. 
elizabethcc, M'Intosh, P. R. Soc. Edinb. vii. p. 439, Herm. 
Ommatoplea ophiocephala, Schmarda, Zoologie, i. p. 271, fig. 189, hab. — ? 
N emeries maculosa and teres, Ehlers, 1. c. pp. 85 & 86, Spitsbergen. 
Coienida quaterna, Schmarda, 1. c. p. 270, fig. 188, Cape of Good Hope. 
Thysanozoum cruciatum, id. 1. c. p. 268, fig. 186, hab. — ? 
Stylochus oligoglena, id. 1. c. p. 266, fig. 183, Indian Ocean. 
Bahmogiossns kupffet'i, Willemoes-Suhm, Nachr. Ges. Getting. 1870, pp. 
478-480; Z. wiss. Zool. xxi. pp. 383-386, pi. 33. figs. 31 & 32 : OEresund, near 
Hellebaek, Seeland. 
Sphyrocephalus dmdrophilus, Schmarda, l.c. p. 269, fig. 187/ Ceylon. 
