THE SKELETON IN THE FLYING LEMURS. 187 



Smooth and quite level, the subscapular fossa on the venter of the 

 bone exhibits hardly any muscular ridges, the only one of any prominence 

 being a mere indication of such extending from the neck to a mid-point 

 on the vertebral border. Even this may be absent from some specimens. 



The coracoid process is represented by a straight, somewhat flattened 

 rod of bone, that may attain a length of nearly 1.5 centimeters. It is 

 extensively attached to a raised base or pedicle at the junction of its 

 inner and middle thirds. This gives rise to a long and a short process, 

 the first assisting in the formation of the articulation for the. humerus, 

 and the inner and shorter one for ligamentous attachment. Its long- 

 itudinal axis makes an angle with the long axis of the acromion process 

 of about G0°, and an angle of about one-half as many degrees with the 

 plane of the scapular blade. Thus it will be seen that the coracoid is 

 not bifurcated as stated by Flower -" but simply produced both ways 

 from its base, in the same straight line. 



Very conspicuously developed, the spine on the dorsum of the scapula 

 commences suj)eriorly or, j)erhaps, what may be called externally, beyond 

 the glenoid cavity. Here it supports a large acromion process and a 

 metacromion; this is followed by a somewhat flattened pedicle to the 

 scapular neck, and from there on it becomes a thin lamina of bone which 

 gradually slopes away to a point near the middle of the vertebral border. 

 This osseous partition creates the supraspinous and infraspinous fossae, 

 which are thus thoroughly defined. The latter is about twice the size 

 of the former, and lengthwise is bounded by the aforesaid spine on the 

 one hand and by the raised axillary, described above, on the other. The 

 scapula makes the usual articulations with the humerus and clavicle, and 

 has attached to it, either hy origin or insertion, a number of important 

 muscles and ligaments. 



THE PELVIS. 



Beyond a few unimportant individual variations, the pelves (Plate 

 III, figure 8; Plate IV, figure 14, and Plate V, figure 17) of the three 

 specimens of Cynocephalus at hand present the same characters for 

 description. On the other hand this part of the skeleton difliers Videly 

 in its morphology among the Insectivora as a gi'oup, being long in some, 

 short in others, while in such genera as Sorex_, Talpa, and Chrys'ochloris 

 a wide interval separates the pubic bones at the mesial line below, where 

 they usually unite. 



When submitted to ordinary maceration in water the two ossa in- 

 nominata readily part company with the sacrum and with each other. 

 This happened in the case of the Steere specimen here shown in figures 

 8 and 14. One of the most striking features of the pelvis in Cynocephalus 



-° Osteology of the Mammalia, 253. 



