1862. | DR. L. PFEIFFER ON NEW CYCLOSTOMACEA. 115 
6. TETRARHYNCHUS QUADRIPAPILLOSUS, Baird. 
Head of considerable size ; bothria large, rotundate-oval. Neck 
long, slender, terminating in an enlarged body enclosed in a sheath, 
which gives off at its lower part four papille disposed in such a 
manner as to interlock with each other and form a terminating coni- 
cal point. 
Length of whole animal about 34 lines, 
Hab. Taken from the liver of Alepocephalus, sp., at Madeira. 
(Mus. Brit.) 
For these three species of Tetrarhynchus I am indebted to J. Yate 
Johnson, Esq., C. M. Z. 8. 
7. BoTHRIOCEPHALUS (TETRABOTHRIUM) JUNCEUS, Baird. 
Bothria four, attached to the head by their face, large and some- 
what auriculiform. Head elliptical. Neck slender ; first segments 
very fine, gradually becoming broader, but in no part exceeding half 
a line in breadth. Apertures of genital organs unilateral. 
Length upwards of 44 inches; breadth of neck {th of a line; 
broadest segments about + a line. 
Hab. Intestines of the King-Vulture (Sarcorhamphus papa). 
(Mus. Brit.). 
For this species I am indebted to Mr. E. Gerrard. 
4. Descriptions or Eriant New Species oF CYCLOSTOMACEA, 
FROM THE COLLECTION OF H. Cumine, Ese. By Dr. L. 
PFEIFFER. 
(Plate XII.) 
1. Rutostoma HAINEsI, Pfr. (Pl. XII. fig. 8). 7". late umbili- 
cata, depressa, solida, distincte et conferte striata, sub epider- 
mide obscura fuscula, fammulis angustis castaneis variegata ; 
spira parum elevata, vertice minuto, corneo; anfr. 5, depresso- 
rotundati, ultimus infra peripheriam castaneo unifasciatus, an- 
tice lunge solutus et deflexus, a sutura ad tubulum longe recur- 
vatum carinatus, ante tubulum introrsum apertus, extus leviter 
incisus ; apertura obliqua, circularis ; perist. subduplicatum, 
album, margine sinistro incrassato, dextro expanso, plano, pa- 
tente. Operce. cyathiforme, extus planum, anguste spiratum, 
marginibus anfractuum elevatis, membranosis. 
Diam. maj. 35, min. 25, alt. 12-14 mill. Ap. diam. 11-12 mill. 
Hab. Camboja (M. Mouhot). 
2. RutostoMa simPLiciLaBRE, Pfr. (Pl. XII. fig. 7). T. late 
umbilicata, depressa, solidula, leviter et confertissime striatula, 
sub epidermide nitida lutescens, elegantissime et subtiliter cas- 
taneo flammulata ; spira breviter conoidea, vertice minuto, ob- 
tusiusculo ; anfr. 5, depresso-rotundati, ultimus infra periphe- 
riam castaneo unifasciatus, antice longe solutus et deflerus, a 
sutura usque ad tubulum recurvatum carinatus ; apertura 
diagonalis, subcircularis, intus cerulescenti-margaritacea ; 
