30 Grust . 
CRUSTACEA. 
Ascomyzontid®. 
Conostoma , g. n. f G. M. Thomson, Tr. N. Z. Inst. xv. p. 111. Nearly 
allied to Artotrogus, but differing completely in the structure of all the 
swimming feet. C. elliptica , sp. n., id . 1. c. p. 112, pi. v. figs. 9-14, Otago. 
Artotrogus boscki (Brady), from Otago, free, p. 113, pi. ix. figs. 1-7 ; 
A. ovalus, sp. n., ibid. pi. xi. figs. 11-13, Paterson Inlet: id. 1. c. 
Acontiophorus scutatus (Brady & Rob.) from Otago ; id. 1. c. p. 114, 
pi. viii. figs. 9-14. 
Caligid®. 
Caligus pacijicus , sp. n., Gissler, Am. Nat. xvii. p. 885, woodcut. 
Lepimacrus , g. n. Cephalothorax shield-shaped, rather long, divided 
into a median and two lateral parts, with two large notches at its base ; 
behind it four large plates ; eyes separate ; antennse small, with a sucker 
near them ; three pairs of feet, the first long, with a twisted claw and a 
sucker at its base, the second slender, didactyle, the third strong, with a 
hook-shaped claw. L.jourdaini, sp. n.: only the female known, coast of 
France, on Lamna cornubica. Hesse, Ann. Sci. Nat. (G) xv. Art. 3, 
pp. G— 10, 33, & 44, pi. iv. figs. 8-17. 
! Tccniacanthus , g. n. Near Bomolochus ; first four segments of the 
thorax swollen, flattened above, separated by distinct constrictions, the 
last thoracic segment and the abdomen rudimentary ; anterior antennce 
4-jointed, basal joint very long ; two hooks on each side behind the 
second pair of antennse; oral region surrounded by a cutaneous fringe ; 
lower maxilliped with a large falciform claw ; first pair of feet trans- 
formed into a broad natatory plate, its both branches 2-jointed, beset 
with feathered setae at the distal margin, the basal joint peculiarly move- 
able ; fifth pair of feet rudimentary, 2-jointed. T. carcharias , sp. n., on 
the gills of Carcharias lamia. K. Sumpf, “ Uber eine neue Bomolo- 
chiden-Gattung.” Inaug. Diss. Univ. Gottingen, Hildesheim: 1871, 8vo, 
32 pp., 2 pis. [hitherto omitted]. 
Lepeoplithirus suhmi , sp. n., Brady, Copep. ‘ Challenger,’ p. 132, pi. lv. 
fig. 2, Capo Verde Islands, on a Scar us. 
Nogagus spinacii\_spinacis\, sp. n., Hesse, Ann. Sci. Nat. (G) xv. Art. 3, 
pp. 1-G & 29-32, pi. iv. figs. 1-7, coast of France, on Spinax acanthias 
(L.). Only female and young state known ; the latter is provided with 
a very long frontal filament, by which it is attached to the body of an 
adult specimen. 
Nogagus murrayi, sp. n., Brady, l. c. p. 136, pi. lv. fig. 1, Atlantic, taken 
in the open sea. 
Cecrops achaniii-vulgaris [!], sp. n., Hesse, l. c. pp. 26-29 & 37, pi. v. 
figs. 15-20, coast of France, on Acanthias vulgaris. 
Pandarus spinacii-achantias [!], P. cacharii-glaucas [!], P. unicolor, and 
P. “ musteli-kevis ,” spp. nn., id. 1. c. pp. 10-26 & 35-37, pis. v. figs. 1-14, 
& iii., coast of France, on Spinax acanthias , Carcharias glaucus , Galeus 
vulgaris , and Mustelus Icevis, 
