164 MR. H. CHARLTON BASTIAN'S MONOGRAPH 
tubes two, short, distinct. Head truncate, provided with 8-10 short setze directed for. 
wards. Integument with transverse striæ scarcely perceptible, 35555 apart. 
Pharyngeal cavity cup-shaped, sogo deep. (Esophagus rather less than th of total 
length. Intestine well covered with brownish fat-particles having a tessellate arrange. 
ment. Anus yo from posterior extremity. Vulva slightly posterior to middle of 
body. Ocelli, two aggregations of brown pigment, at 1000 from anterior extremity, 
Subcutaneous gland-cells abundant. Anal glands three, large. — Excretory ventral gland 
opening opposite middle of cesophagus ; duct rather narrow, uniform in size. 
Male, not seen. i 
Hab. Small green sea-weed from tide-pool, Falmouth '. 
** Caudal sucker small, indistinct. 
4. C. PUNCTATUS, n.sp. (Plate XIII. figs. 217, 218.) 
Male, length 45^, breadth 4515". 
External Characters.—Body powerful, tapering very slightly anteriorly, but gradually 
to a point posteriorly. Head obtusely rounded, provided with a circlet of 6-8 small 
spreading sets; other small setze scattered over posterior part of body. Integument 
having rows of dots arranged in transverse series 55455” apart; two lateral convex 
. prominences of integument in cervical region nearly opposite base of pharyngeal cavity, 
$353 in diameter. 
Pharyngeal cavity cup-shaped. (Esophagus about jljth of total length. Intestine 
sparsely and irregularly covered with large brownish-coloured fat-particles. Anus rt” 
from posterior extremity. Spicules 345” long. Ocelli two, greenish brown, large, 
1753 from anterior extremity. Subcutaneous gland-cells wanting. 
Female, not seen. 
Hab. Marine surface-mud from estuary, Falmouth. 
5. C. STRIATUS, n.sp. (Plate XIII. figs. 219, 220.) 
Male, length 45", breadth 41". 
External Characters.—Body tapering slightly anteriorly, but gradually to a point 
posteriorly. Head obtusely rounded, provided with two small papillæ, upper and lowet, 
and a circlet of about six setze directed forwards. Integument with very distinct trans- 
verse strim 15900 apart; a few scattered sete over anterior part of body, but numerous 
others posteriorly behind anal cleft. ` | 
Pharyngeal cavity cup-shaped, 4455" deep. Œsophagus -yth of total length. J- 
testine well covered with hepatie particles having a tessellate arrangement. Amis 
135 from posterior extremity. Spicules thick, strong, slightly curved, zoo 1028: 
accessory pieces four; two median lanceolate, thin; two external stout, quadrilateral. 
Ocelli wanting. Subcutaneous gland-cells plentiful. 
Female, not seen. : 
Jab. Marine surface-mud from estuary, Falmouth. 
* Or else xs marine surface-mud of estuary. I am not quite certain which, as the habitat was unfortunately not 
entered at the time when the species was discovered and described. 
