TRIASSIC FISHES FROM SPITZBERGEN 
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» 5. Wimania sinuosa n. sp., metapterygoid, pterygoid, basipterjfgoid process, and some frag¬ 
ments of other bones of the right side; in lateral aspect. Cast of 
the piece reproduced in plate 6, figs, x, 3, 4 (P. 257). 
Explanation of index letters. 
Aang, autangular; Aup, autopalatine; Br, ceratobranchial (only ventral ends visible); Bsph, basi- 
sphenoid (basipterygoid process e ); Chy, ceratohyal; Cl, cleithral; Co, coronoid; Id, clavicle; Icor. 
pra, intercoronoideo-prearticular; Mptg, metapterygoid; Pa. it, parieto-intertemporal; Pethm, pre- 
ethmoid in ventral aspect; Pop . qnj, preoperculo-quadratojugal; Pro. 0, prootico-opisthotic; Psph , para- 
sphenoid; Pt, pterygoid; Uhy, urohyal; e, basipterygoid process; c, posterior process from the corpus 
of the prootico-opisthotic. 
Plate 8. 
Fig. 1. Wimania sinuosa n. sp., the same head as in PI. 4. (P. a5y) with a dorsal part of the 
posterior limb of the pterygoid removed to show the shape and 
position of the prootico-opisthotic (Pro. 0). 
» 2. Wimania? multistriata n. sp., supratemporo-extrascapular ( Stemp. ext) and parieto-inter¬ 
temporal {Pa. it) of a small specimen (P. 25a) seen from the 
ventral surface. 
» 3. » » » » tooth (P. 238). 
Figs. 4-6. » » » » scales (P. 247 and P. 24S). 
Fig. 7. » » » » pelvic bone (P. 20g). 
Explanation of index letters. 
Alsph, alisphenoid fused with and forming a process from the fronto-dermosphenotic; Aup, 
autopalatine; Br, ceratobranchial anterior part; Bsph, basisphenoid; Fr. dsph, fronto-dermosphenotic; 
Mptg, metapterygoid (antero-dorsal part); Op , operculum; Pa. it, parieto-intertemporal (in fig. 1, 
only posterior parts of the ventral lamella); Pelv, pelvic plate; Pro. 0, prootico-opisthotic; Pt, ptery¬ 
goid; Ptr, postrostrals; Stemp. ext, supratemporo-extrascapular; al, part of the anteriorly pointing 
lamella of the basisphenoid; e, basipterygoid process; /, anterior end of the prootico-opisthotic; 
fj, dorsal process from the prootico-opisthotic; h, process from the supratemporo-extrascapular 
reaching downwards and forwards to the prootico-opisthotic. 
Plate 9. 
Fig. 1. Wimania? multistriata n. sp., scales and lepidotrichia ( P. 246). 
» 2. » sp., portion from the caudal region with the dorsal and ventral lobes of the caudal 
fin (P. 253). 
» 3. » » scale from the specimen in preceding figure (P. 2 53). 2 / r 
Plate 10. 
Fig. 1. Sassenia tuberculata n. sp., parts of the cranial roof and visceral skeleton (P. 225 ). The 
bones mainly preserved as impressions of the inner surface. 
» 2. » » » » scales (P. 2 24). 
» 3. » » » » bones of the cheek and bones of the visceral skeleton (P. 226) 
partly preserved as impressions of the lateral surface. 
» 4. » » » » parts of the visceral skeleton (P. 226). 
S ten si 6, Triassic Fishes from Spitzbergen. 38 
