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with the outer ramus shorter than the 1st joint of the inner, its last joint about 

 the size of the middle one; inner ramus with the 1st joint 3 times as long as 

 the other 2 combined, and having the seta of the inner edge attached close to the 

 apex, last joint scarcely longer than the 2nd. Last pair of legs with the distal 

 joint almost exactly as in the preceding species, inner expansion of proximal joint, 

 however, more produced and armed with 5 setae, the outermost one rather small. 



Colour whitish with a faint yellow tinge. 



Length of adult female 0.60 mm. 



Remarks. This species is at once distinguished from the preceding one 

 by the much greater length of the anterior antennae. It also exhibits some minor 

 differences in the structure of the outer ramus of the posterior antennae and in 

 thut of the 1st and last pairs of legs. 



Occurrence. I have met with this form occasionally in the same places, 

 in which the preceding species occurred. 



146. Ameiropsis mixta, G. 0. Sars, n. sp. 



(PI. CL). 



Specific Characters. Female. Body resembling in its general appearance 

 closely that of the 2 preceding species. Rostral projection, however, somewhat 

 more prominent. Anterior antennae about the length of the cephalic segment, 

 proximal part twice the length of the terminal one. Outer ramus of posterior 

 antennae with the proximal joint narrow linear in form and quite smooth inside, 

 distal joint comparatively larger than in the 2 preceding species, and having one 

 of the setae remarkably thickened, sabre-like. 1st pair of legs with the outer 

 ramus shorter than the 1st joint of the inner, its last joint somewhat smaller 

 than the middle one; inner ramus with the 1st joint rather narrow, and having 

 the seta of the inner edge far remote from the apex and attached about in the 

 middle of the joint, last 2 joints slightly unequal in size, and combined noi; 

 attaining half the length of the 1st. Last pair of legs with the distal joint very 

 narrow, sublinear in form; inner expansion of proximal joint comparatively short 

 with only 4 marginal setae. 



Colour not yet ascertained. 



Length of adult female 0.60 mm. 



Remarks. This species is closely related to the 2 preceding ones, anc 

 may easily be confounded with them. On a closer examination, however, it is 

 found to differ from any of them in some of the anatomical details, occupying, 

 as it were, and intermediate range; hence the specific name here proposed. 



