576 
GLOSSARY. 
Mammas, the breasts or paps of ani¬ 
mals 
Mammalia, animals which suckle their 
young 
Mammiferous, suckling animals 
Mandibles, the upper and under chaps 
of a bird’s bill 
Marginated, having a prominent mar¬ 
gin or border 
Membranaceous, consisting of mem¬ 
branes 
Membrane, the web, which connects 
the toes of birds, &c. 
Molar-teeth, the grinders, those within 
the canine teeth 
Monodactylous, one-toed 
Moniliform, collar-shaped 
Mucronate, ending iu a sharp rigid 
point 
Multilocular, many-chambered, con¬ 
sisting of several divisions 
Murieated, covered with sharp spines 
Muzzle, the lengthened snout of an 
animal. 
Nacred, pearly, pearlaceous 
Nasal, relating to the nose 
Nemoral, of, or belonging to a wood 
Nitid, glossy 
Nocturnal, belonging to the night 
Nodose, knotty 
Nodulous, beset with knots 
Nuchal-bristles, small bristly hairs si¬ 
tuated at the base of the bills of some 
birds 
Nucleus, a kernal 
Ob, prefixed to words, is used for in¬ 
versely or inverted, as obconic, in¬ 
versely conic: obcordate, inversely 
heart-shaped 
Oblong, ovate, egg-shaped or oval 
Obsolete, indistinct, not well defined 
Ocellated, applied to eye-like spots 
Ochreous, of the colour of yellow ochre 
OfFuscated, darkened, clouded, dim¬ 
med. 
Olivaceous, of a greenish olive colour 
Operculated, having a lid 
Operculum, a lid, by which some of 
the univalve and multivalve shells 
are classed 
Ophthalmic, relating to the eye 
Orbicular, spherical, circular, round. 
Order, the second division of the ani¬ 
mal kingdom, orders are made up of 
a plurality of genera 
Orifice, an opening or perforation, 
Osseous, of a bony substance 
Ovate, shaped like the longitudinal 
section of an egg 
Ovipositor, an instrument by which 
insects deposit their eggs 
Ovoid, oval 
Oxygen, a constituent and essential 
portion of the atmosphere 
Palmated, webbed, as in the feet of 
some water birds 
Papillae, small dots or pimples 
Papillose, pimpled, dotted 
PapUlous* 1 resembling dots or pimples 
Papyraceous, thin as paper 
Parasitical, living on some other body 
Parallelogramical, having the shape 
of a parallelogram or a right lined 
quadrilateral figure, whose opposite 
sides are parallel and equal 
Partitions, calcareous processes divid¬ 
ing the inside of shells of the genus 
nautilus, serpula, &c. 
Patulous, spreading 
Pearlaceous, of, or like mother of pearl 
Pectinated, resembling the teeth of a 
comb 
Pectoral, relating to the breast 
Pedicle, a little stalk, on which any 
thing is seated 
Pediform, foot-shaped 
Peduncle, a foot stalk, or a tube on 
which any thing is seated 
Pelagic, belonging to the deep sea 
Pellicle, a skin or film 
Pellucid, transparent, clear, bright 
Pencilled, having long tufts of hair like 
a pencil 
Pentagonal, having five angles 
Peutadactylous, having five fingers 
Penult, last but one 
Perfoliated, where the base entirely 
surrounds the stem transversely 
Perforated, pierced with holes 
Petiolate, placed on a footstalk 
Phalanges, the joints of the fingers and 
toes 
Phosphorescent, emitting light in the 
dark 
Pilous, hairy 
Pillar, in univalve shells, is the inter¬ 
nal continuation of the inner lip, 
and extends to the apex 
Pinnated, winged 
Pisciform, fish-shaped 
Plaited, folded 
Plaits, folds 
Plantigrade, walking on the soles of the 
feet 
Plicated, folded or plaited, as the plaits 
on the pillar of the volute, &e. 
Plumose, having a feathery appearance 
Polythalamous, divided into several 
chambers 
Porcate, marked with raised longitu¬ 
dinal lines 
Porrected, projecting 
Prehensile, hanging 
Prismatic, having a changing play of 
colours as in the prism 
Produced, lengthened out 
Protractile, capable of being exserted 
and retracted 
Protrude, to thrust forward 
Punctated, with small hollows like Hie 
punctures of a thimble 
