The Morphology of Cosmobia 



409 



vicinity. This canal may thus be conveniently termed the palpebral 

 caiml, although in the present case the turning in has proceeded so far 

 that not only palpebral parts but the external skin as well are included 

 within it. 



The rudiment of the external nose, in such monsters commonly referred 

 to as the proboscis, is placed as usual above the median eye, thus develop- 



m»l 



b 



Fig. 26. Proboscis, i. e., rudimetary nose, of the Baldwin Synote. 



(a) From below, with the palpebral canal laid open. 



(b) From the side; palpebral canal entire, but traversed by a bristle. 



pr, proboscis ; int, integument of the face, included in the palpebral canal ; 

 ci, eyelashes; mgl, meibomian glands; cl, carunculse lacrimales; trc, rudi- 

 mentary tarsal cartilages ; Jp, levator palpebrae ; gl, lacrimal gland. 



ing in its primary position, its descent being prohibited by the position 

 of the double eye immediately beneath it. Its form and its division into 

 a stalk and a terminal bulb are sufficiently indicated by the figures. A 

 terminal orifice, seen at the end of the bulb, ends blindly a little distance 

 within, and undoubtedly represents a median nostril. The internal nasal 



