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THE VOYAGE OF H.M.S, CHALLENGER. 
PLATE VI. 
Ascorhynchus orthorhynchus, nu. sp. (figs. 1-4). 
. Rudimentary mandible ; magnified 94 diameters. 
. The last four joints of the ovigerous leg ; magnified 21 dianicters. 
. The denticulate spines of one of the joints of the ovigerous leg ; magnified 272 
diameters. 
. The last two joints of the leg; magnified 21 diameters. 
Ascorhynchus glaber, n. sp. (figs. 5-9). 
. Dorsal view ; magnified 54 diameters. 
Mandibles ; magnified 21 diameters. 
. The mandible of a young specimen; magnified 94 diameters. 
. The last four joints of the ovigerous leg; magnified 21 diameters. 
. The last joint of the leg; magnified 21 diameters. 
Ascorhynchus minutus, n. sp. (figs. 10-16). 
Ventral view ; magnified 74 diameters. 
Side view ; magnified 72 diameters. 
The last three joints of the ovigerous leg ; magnified 70 diameters. 
The eighth joint of the ovigerous leg ; magnified 182 diameters. 
The last two joints of the leg ; magnified 70 diameters. 
The last joint of the first leg; magnified 94 diameters. 
Hairs of the palpus; magnified 272 diameters. 
PLATE VII. 
Oorhynchus aucklandie, n, sp. (figs. 1-7). 
. Ventral view; magnified 15 diameters. 
. Dorsal view ; magnified 74 diameters. 
. The front part seen dorsally ; magnified 34 diameters. | 
. Palpus; magnified 94 diameters. 
. The last four joints of the ovigerous leg ; magnified 130 diameters. 
. One of the legs; magnified 34 diameters. 
. The last two joints of the leg; magnified 70 diameters. 
