... Acanthoid Chitons of N.Z. " ( l.c. ) Dredged off Otago Heads in 60fms .; valves figured . In Finlay collection , Dunedin . Genus PSEUDOTONICIA , 1926 . Characters described at commencement of this paper . Pseudotonicia cuneata . Tonicia ...

... Acanthoid Chitons of N.Z. " ( l.c. ) Dredged off Otago Heads in 60fms .; valves figured . In Finlay collection , Dunedin . Genus PSEUDOTONICIA , 1926 . Characters described at commencement of this paper . Pseudotonicia cuneata . Tonicia ...

... Acanthoid Chitons of N.Z. " ( l.c. ) Dredged off Otago Heads in 60fms .; valves figured . In Finlay collection , Dunedin . Genus PSEUDOTONICIA , 1926 . Characters described at commencement of this paper . Pseudotonicia cuneata . Tonicia ...

... Acanthoid Chitons of N.Z. " ( l.c. ) Dredged off Otago Heads in 60fms .; valves figured . In Finlay collection , Dunedin . Genus PSEUDOTONICIA , 1926 . Characters described at commencement of this paper . Pseudotonicia cuneata . Tonicia ...

... acanthoid spines . 2. Latrodectus hystrix ; Yemen : p . 252. Dorsal view of female . 2a . Integu- ment of abdomen , showing acanthoid and stouter straight spines . 3. Latrodectus tredecim - guttatus ; Tuscany : p . 254. Dorsal view ...

... acanthoid spines . 2. Latrodectus hystrix ; Yemen : p . 252. Dorsal view of female . 2a . Integu- ment of abdomen , showing acanthoid and stouter straight spines . 3. Latrodectus tredecim - guttatus ; Tuscany : p . 254. Dorsal view ...

... acanthoid and keratoid , according as the thickening is mainly in the prickle or horny layer . The latter are by no means to be regarded as a further development of the former , for the acanthoid hard nævi are also distinguished by ...

... acanthoid tubercles on its anterodorsal marginal aspect, medial tubercle large-sized and lateral ones medium-sized; lateral surface of the snout bulgy giving lobe-like appearance; transverse lobe appearing as a prominent knob as the ...

... acanthoid variety . In my series of specimens described later , Numbers IX and . XII show both layers implicated ; Xb is of the keratoid type , and X a , XI , and XIII are of the acanthoid variety . Number XI is , so far as I have seen ...