176 GLOSSARY. 
ponderosa, thick and heavy. 
polymorpha, many shaped. 
prodicta, lengthened. 
pulchélla, minutely beautiful. 
Pitlmonobranchidéta, an Order of mollusks with lungs. 
punctdta, marked with minute spots. 
Pipa, a chrysalis. 
pura, clear. 
pusillum, small. 
putris, stinking. 
pygmea, minute. 
LAE EETES, <) shaped like a pyramid. 
prramidita, 
prriform, pear-shaped. 
GF 
guddridentdta, with four teeth. 
RY 
radiita, rayed. 
radtdtula, slightly rayed. 
rdva, tawny. 
refléxa, bent back. 
reticuléta, marked like network with cross striations. 
reveldta, revealed, discovered. 
rhombea, four-sided; referring to a section of the last whorl. 
ringens, grinning like a dog, z.e., showing the teeth. 
rivicola, an inhabitant of streams. 
