. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. ROMKR: UHAINCASE 91 leaving a cast of the uii(lerlyiii<i- I'c^ion occupied by hyaline cartilae. Such areas are left white in the plat(>. The <i'ciicral are obvious from cither dorsal or ventral aspects, and such structural features as nasal processes, postorbital proc- esses, the lonp: otic rcfjion, Avith jii'oinincnt lateral otic i) Fig. 1. Dorsal view of the braiiu-ase, .sliglitly restored. X V2- Al)l)rcvia- tions for tliis and following figures: af, posterior border of an


. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. ROMKR: UHAINCASE 91 leaving a cast of the uii(lerlyiii<i- I'c^ion occupied by hyaline cartilae. Such areas are left white in the plat(>. The <i'ciicral are obvious from cither dorsal or ventral aspects, and such structural features as nasal processes, postorbital proc- esses, the lonp: otic rcfjion, Avith jii'oinincnt lateral otic i) Fig. 1. Dorsal view of the braiiu-ase, .sliglitly restored. X V2- Al)l)rcvia- tions for tliis and following figures: af, posterior border of anterior fon- tanelle; artic, articular facet for palatoquadrate; cc, point of entry of "common carotids" into braincase floor; dlof, dorsolateral otic fossa; docop, dorsal "opening" in occipital region; dor, dorsal otic ridge; ec?, impression of course of external carotid; cfhJ, foramen possibly for efferent hyoid artery; endf, endolymphatic fossa; fm, foramen magnum; ic, impres- sions of course of internal carotids toward pituitary region; lor. lateral otic ridge; ?mcv, foramen probably for middle cephalic vein; nil, openings for supraorbital lateral line nerve twigs; np, nasal process; occr, occipital crest; op V -\- VII, foramen for ophthalmic rami of nerves V and VII; op VII, foramen for ophthalmic ramus of nerve VII; os, optic stalk; otpr, otic process; pit, pituitary region (eroded); pop, postorbital process; pt VII, canal for pretrematic ramus of nerve VII; r, calcified floor of Ijase of rostrum; rpv, ridge covering posterior part of posterior vertical ear canal; sos, subocular shelf; sv-, foramina possibly for somatic nerve twigs; unc, uncalcified areas of braincase surface; vcl, foramen primarily for vena capitis lateralis; vlof, ventrolateral otic fossa; vos, ventral shelf in otic region containing passage for lateral head vein; //, optic foramen; ///. oculomotor foramen; IV, trochlear foramen; F, -|- V^, foramen for inaxil- lary and mandibular rami


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Keywords: ., bookauthorharvarduniversity, bookcentury1900, booksubjectzoology