. The Quarterly journal of the Geological Society of London. and side views of occipital region of skull. side of the base of which is a low transverse ridge for attachment ofthe capsular ligament. The siugle hypapophysis is shown at i„The exoccipitals (2) contribute the upper and lateral portions of thecondyle, and unite together above the occipital foramen. Each ex-occipital has a small process supplementing that from the basioccipitalfor the attachment of the strong capsular ligament of the occipito- * These characters are well shown in the corresponding view of the samespecies
. The Quarterly journal of the Geological Society of London. and side views of occipital region of skull. side of the base of which is a low transverse ridge for attachment ofthe capsular ligament. The siugle hypapophysis is shown at i„The exoccipitals (2) contribute the upper and lateral portions of thecondyle, and unite together above the occipital foramen. Each ex-occipital has a small process supplementing that from the basioccipitalfor the attachment of the strong capsular ligament of the occipito- * These characters are well shown in the corresponding view of the samespecies in Steindachners Monograph, pi. v. fig. 8; but the constituent bones arenot indicated, and the suture between the mastoid and parietal is omitted on theright side, and feebly marked on the left. THE REPTILIAN CLASS OF THE MOSASAUItlD^. 687 atlantal joint. Above this the exoccipital sends outward a strongprocess (z), which, by its short extent, answers tothe exoccipital, 2,of the tortoise, and terminates freely, not abutting against the tym-panic or other
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Keywords: ., bookcentury1800, bookdecade1840, bookidquarte, booksubjectgeology
