Picking up choroid and retina, 30, 31 Pigment cells of processes, 49, 50 of sclerotic, 46 removal of, 34 Pinching up sclerotic, 27, 28 Pins and needles, use of, 96, 106-109, 112, 113 Pipette, 35 Posterior chamber, 50, 51, 86, 90 half excavated, 47 half of the eye, 40 half, removing vitreous from, 41 surface of the lens, 55 Preparing eye for dissecting interior, 38 eye for dissecting hyaloid, 26, 27 eye for dissection to show the three tunics, _in situ_, 120 eye for isolating choroid, 62 eye for isolating retina, 74, 75 eye for ophthalmoscopic examination, 106-110 eye for sagittal section, 86 the lens, 53 Preservative, alcohol as a, 34 Preserving extrinsic muscles, 119 hyaloid, contents and attachments, etc., 32-34, 36 isolated choroid, 72 isolated retina, 84, 85 lens, 57, 58 sagittal sections, 89 three tunics and hyaloid, 123 Processes, ciliary, 27, 33, 49 and iris, removing, 121 color of, 50 pigment cells of, 49, 50 relation between iris and, 51, 52 zonular, 27, 34 Processus zonulœ, 34 zonulœ free from ciliary processes, scraping, 121 Pulley of superior oblique muscle, 117 Puncta lacrimalia, nasal duct, and papilla, 92 lacrimalia, papilla, canaliculi, and nasal duct, locating, 92, 95 lacrimalia, papilla, canaliculi, and nasal duct, material for dissecting, 92 Pupillary aperture increasing, 106, 107, 109 R Racemose construction of lacrimal gland, 114 References, 23, 25, 46, 52 Relation between iris and processes, 51, 52 Removal of hyaloid membrane with contents and attachments intact, 25 of pigment from processus zonulœ, 34 Removing capsule of lens, 59 choroid, 46 cornea for isolating choroid or retina, 62-64 choroid for dissecting three tunics, 122 iris and lens, 75, 77 iris and processes, 121 lens from choroid, 69-71 lens from anterior half and other parts, 51, 53, 54 sclerotic to show the three tunics, 120 the retina from posterior half, 44 vitreous from anterior half, 49 vitreous from choroid, 70-72 vitreous from posterior half, 41 Retina, 40-74 blood-vessels of, 106 central artery of, 43, 49 cutting away sclerotic and choroid for isolating, 83 folding it by blowing air through blowpipe, 81, 82 or choroid, removing cornea for isolating, 62-64 picking up choroid and, 30, 31 preparing eye for isolating, 74, 75 preserving isolated, 84, 85 removing, 44 straightening, 42, 43 Retinæ, pars ciliaris, 49 Retinal artery, course of, 111 image, 110 vessels, 40, 49 Ring, ciliary, 51 cutting ciliary, 121 of superior oblique muscle tendinous, 117 Running through the alcohols, 58, 59 S Sagittal section, cutting eye for, 87-89 section, excavated, 90 section of the eye, 86 section, preparing eye for, 86 sections, preserving, 89