. A text-book of comparative physiology [microform] : for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative; Veterinary physiology; Physiologie comparée; Physiologie vétérinaire. Fio. blnrtcnlar Tlrion. If the trnncated pjrrMiiM, P, be looked at with the head held Derpendlcularly oyer the fljnire, the Imaae formed in Uie right eye when the left b clowid la Sgnred on the rlghvand that wonwhe" »• "£«» eye is doaed la repreaented by the flpire in the midiUa. No anperiweition of theae Iteniea will give P, yet by tLpytchU procrH thejr
. A text-book of comparative physiology [microform] : for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative; Veterinary physiology; Physiologie comparée; Physiologie vétérinaire. Fio. blnrtcnlar Tlrion. If the trnncated pjrrMiiM, P, be looked at with the head held Derpendlcularly oyer the fljnire, the Imaae formed in Uie right eye when the left b clowid la Sgnred on the rlghvand that wonwhe" »• "£«» eye is doaed la repreaented by the flpire in the midiUa. No anperiweition of theae Iteniea will give P, yet by tLpytchU procrH thejr ai« combined into P, th« flgnie aa It appeara to both eyea (after Bematein). * been inferred, from the fact that objects appear solid during an electric flash, the duration of which is far too short to per- mit of movements of the ocular muscles, that such movements are not essential. The truth seems to lie midway ; for while simple flgures may not require them, the more complex do, or, at all events, the judgment is very greatly assisted thereby. It is of the utmost importance to bear in mind that all visual judgments are the result of many processes, in which, not the sense of vision alone, but others, are concerned; and the mutual dependence of one sense on another is great, probably beyond our powers to estimate. Reference has been made to this sub- ject previously. P&OTBOTXVB MBOBAMIBMS OF IBB BTIk The eyelids have been appropriately compared to the shut- ters of a window. They are, however, not impervious to light, as any one may convince himself by noticing that he can locate the position of a bright light with the eyes shut; also that a sensitive person (child) will turn away (reflexly) from a light when deeping if it be suddenly brought near the head. The Meibomian glands, a modification of the sebaceous, secrete an oily substance that seems to protect the lids i^inst the lachry- mal fluid, and prevents the latter running over their edges as oil would o
Size: 1981px × 1262px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthormillswes, bookcentury1800, bookdecade1890, bookyear1890
