562 



GLOSSARIAL INT)EX. 



Lubium, lip, 405. i 



Lasso, a cord for catching wild horses, 30. 

 Lejoitr fie noces, the wedding day, 119. 

 Leucotkyreus Ueukos, white, thurcos. a shield), 



252. 

 Liber, the woody fibre and ducts found in the 



bark, 152. 

 lAthdphaga, stone-eaters, o5Q. 

 Lyceum, academical institutions are sometimes 



so called from a celebrated academy at 



Athens, 293. 

 Madrepores, a tribe of animals inhabiting the 



seas, adhering to marine vegetables and the 



softer zoophytes, 287. 

 Madrepor/tes, fossil madrepores, 295. 

 Malic acid, an acid obtained from apples, by 



saturating the juice with alkali, and pouring 



in the acetous solution of lead until it occa- 

 sions no more precipitate, 4G1. 

 Mamma;, breasts, 210. 

 Marsupial, furnished with a pouch, 258. 

 Mastoid processes, processes of the neck bone 



shaped like the nipple of the breast, 406. 

 Materia me'dica, medical matters, 472. 

 Maxima, greatest or highest degrees, 169. 

 Measures, coat, strata alternating with beds of 



coals, 462. 

 Meatus auditbrius extdrnus, the outer auditory 



passage, 406. 

 Mediastinum, the double skin or membrane, 



which stands in the middle of the breast, and 



divides it into two parts, right and left, 407. 

 Meteorite, a meteoric stone, 139. 

 Miasma, pestilential vapour, 90. 

 Mirage, an optical delusion, 548 ; explained in 



detail, iii. p. 200. 484. 

 Monil?form, necklace-shaped, 285. 

 Mandibulata, insects endowed with mandi- 

 bles, 490. 

 Musculo-cutaneous, of the double nature of 

 ' muscles and skin, 527. 

 Nickel, a metallic substance, 139. 

 Nigrum pigmentum, explained, 15. 

 Nucleus, kernel, an included body, 469. 

 O'cciput, hind-head, 406. 

 Oculiferous, eyebearing, 533. 

 (Esophageal, belonging to the gullet, 527. 

 (Esdphagi, plural of oesophagus, 408. 

 Orbicularis bris, a muscle belonging to the 



mouth, 405. 

 Opercular, of the nature of a lid, 218. 

 Oology {don, an egg, logos, a discourse), a trea- 



tise on eggs, 428, 

 Operculum, lid, a covering, 76. 

 Opossum shrimp, a species which carries its 



young in an external pouch, as the opossum 



does, 257. 

 Orbital, pertaining to the orbit or socket for the 



eye, 405. 

 Ornithoscope, an optical instrument for viewing 



distant birds, 464. 

 Ornitholrophe, a refectory for birds, 412. 

 CEsbphagus, the swallow, the throat, 362. 

 Osfrontis, forehead bone, 405. 

 Os hyoides, a forked bone at the root of the 



tongue, so called from its resemblance in figure 

 ' to the Greek letter T, 405. 

 Os occipitis, a bone at the back of the skull, 405. 

 Ossa parietolia, the two sides of a skull, 405. 

 Os sphenoldes, a wedge-like bone in the facial 



part of the skull, 405. 

 Ossa timporum, bones of the temple, 405. 

 Ossa triquetra, triangular-shaped bones, 4G5. 

 Ova, eggs, 151. 

 Oxalic acid, the acid of sugar obtained from the 



plant O'xalis, 149. 

 Oxide of zinc, a substance formed by the union 



of oxygen with zinc, 25. 

 Oxided, impregnated with oxygen gas, 547. 

 Oxygenation, the process of imbuing with oxy- 

 gen, 259 

 Pabulum, food, 157. 



Pdlpebree, the eyelids, upper and lower, 404. 

 Papillonist, collector of butterflies, 148. 

 Paraselenes, mock moons, 171. 

 Parasite, defined, 285. 

 Parietes, walls ; example, the valves or halves of 



an oyster shell, .526. 



Par vagum, a pair of nerves arising below the 

 auditory ones from the sides of the oblongated 

 marrow, 405. 



Patellijorm, cup-shaped, 485. 



Pedicles, stalks, 232. 



Peristome, the fringe of hairs which closes the 

 mouth of the thecse or seed-vessels of mosses, 

 135. 



Per se, by itself, of itself, 507. 



Perticatbres, \yerch^rs, 181. 



Phdrynx, the upper part of the gullet, consisting 

 of three pair of muscles, 405. 



Pigmentum nigrum, explained, 15. 



Pineal gland, a small heart-like substance, about 

 the size of a pea, situated immediately over 

 the corpora quadrigemina. It is so called 

 from its supposed resemblance to the fruit of 

 a pine, 286. 



Plexuses, foldings, reticulations, 392. 



Plutonic, volcanic, 549. 



Pluviometer, a rain-gauge, or instrument to 

 show the quantity of rain that has fallen, 75. 



Processus dentdtus, a tooth-like projection, 515. 



Pro re nata, as occasion may require, 208. 



Pseudo, spurious, imperfect, 545. 



Pseudo-metallic, resembling metal, 191. 



Puncta lachrymcLlia, the orifices or openings of 

 the lachrymal canals, 209. 



Piinctum lachrymhle, lachrymal orifice, 404. ,. 



Pupa of the eye, explained, 15. 



Pupil, explained, 15. 



Pygmes^us, dwarf, pygmy, 255. 



Pyriform, pear-shaped, 232. 



Radii, rays, 285. 



Radius, the bone of the fore-arm ; so called 

 from its supposed resemblance to the spoke of 

 a wheel. It is of a triangular shape, like the 

 ulna, alongside of which it lies, and forms 

 with it what is termed the brachiura or fore- 

 arm, 241. 



Raid, inroad, 412. 



Rectum, the straight and last intestine in ani- 

 mals, 96. 



Rejectamenta, things cast up, 220. 



Rete mucbsum, explained, 392. 



Sdccus lachrymdlis, lachrymal sac, situated in 

 the internal corner of the eye, which receives 

 the tears from the lachrymal orifices,"andcon. 

 veys them into the lachrymal duct, 404. 



Scansbres, climbers, 181. 



Schneiderian membrane, the membrane that 

 lines the nostrils, named after its discoverer, 

 Conrad Victor Schneider, 210. 



Scirocco (Italian), south-east wind, 264. ^ 



Sclerotic tunic, explained, 15, 



ScbriiB, masses of dross from melted metals, 547. 



Scrattle, scratch, 410. 



S^lla turcica, so called from its supposed resem- 

 blance to a Turkish saddle ; a cavity in the 

 sphenoid bone, containing the pituitary gland^ 

 surrounded by the four clinoid processes, 406. 



Semiperlaceous, half-pearly, 356. 



Sensbrium, the seat of sensation, 12. 



Sepia, a black or brown liquid, furnished by the 

 iVautilus, 138. 



Septa, partitions, 137. 



Seta, bristles, 509. 



Siphunculated, furnished with a little siphon, 

 138. 



Speat, a sweeping torrent after rain or thaw, 380. 



Steppes, heaths, deserts, 255. 



Sternum, the breast-bone, 405. 



Slylo-pharyngei muscles, muscles of the i)harynx 

 attached to the styloid process of the temporal 

 bone, 405. 



Subclavian, the subclavian arteries, right and 

 left, proceed under the clavicles (shoulder 

 blades), and give off in their course the mam- 

 mary, cervical, vertebral, and upper inter- 

 costal arteries. The subclavian vein receives 

 the blood from the veins of the arm, and runs 

 into the vena cava superior, 407. 



Subgelatinous, somewhat jelly-like, 259. 



Subtrigonal, nearly triangular, 475. 



Sulphuric acid, an acid consisting of sulphur, its 

 basis, and of oxygen. 



Superciliary arch, arch of the eyebrows, 40, 



Talus, the slope or inclination of a wall, where- 



