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GLOSSARY 
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Irides Plural of iris 
Keeled Having a ridge along the middle 
Labial Pertaining to the lips 
Lamine A thin plate or scale 
Lance-eliptical A long elipse 
Lanceolate Oblong, gradually tapers to the outer extremity 
Larva An immature form 
Lateral To or towards the side 
Lateral line The muciferous tubes along the sides of a fish 
Laterally Sideways 
Linear Like a line, of the same breadth throughout 
Littoral Near the shore 
Longitudinal Running lengthwise 
Lunate Form of the new moon 
Mamme Milk glands, breasts 
Mammary glands Glands secreting milk 
Mandible Under jaw 
Maxilla - Upper jaw 
Maxillaries Outermost bones of the upper jaw, in fishes 
Maxillipeds Foot-jaws of Crustaceans 
Metamorphosis A decided change in form 
Midrib The central or main rib of leaves in plants 
Mycelium A filamentous body from which a mushroom is developed 
Naked Without scales 
Nerves The fine veins in leaves of plants 
Nodule A rounded mass of irregular shape 
Nucleus The umbone or beginning of a shell of molluscs 
Oblique Slanting inclined 
Obscure  Scarcely visible 
Obsolete Faintly marked; scarcely evident 
Obtuse Blunt 
Occiput Back of head 
Olivaceous Color of the olive 
Operculum Gill cover in fishes; calcareous lid closing the aperture, in molluscs 
Orbicular Nearly circular 
Orbit Eye socket 
Osseous Bony 
Ova Eggs Ovum Egg 
Ovate Shaped like an egg 
Oviparous Producing eggs which are developed after extrusion from the body 
Ovoviviparous Producing eggs which are developed before extrusion from the body 
Ovoid Shaped like an egg 
Palmate Web-footed 
Papillose With pimple-like elevations or tubercles 
Pectinate Having teeth like a comb 
Pectoral Pertaining to the breast 
Pectoral fin The foremost paired fins, in fishes 
Pediculated The stalk which supports only one flower 
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