136 ACARUS, ACTINA. 
éelaris, (common mite,) greenish-yellow, with a 
brown spot on each side of the abdomen. Small. 
On hothouse and other sheltered plants. 
destructor, (museum-thief,) ovate; tail with long — 
bristles; feet with one each. 
See MS. P. 
4—6. Acipencer. Spec. 5. 
sturio, (sturgeon,) nose obtuse, having four cirri 
near the tip; nostrils near the eyes, eyes small ; 
mouth beneath, some distance back of the end 
of the nose, its length and breadth equal ; body 
elongated, pentagonal, flat beneath, covered 
above with rows of bony tubercles. 
_ Futhenus, (sterlet,) nose strait, subulate, lips en- 
tire, cirri near the mouth. Nose four times as 
long as the diameter of the mouth. 
stellatus, (koster,) nose spatulate, somewhat re- 
curved ; cirri near the mouth, lips entire. Nose 
six times as long as the transverse diameter of 
the mouth. 
See MS. P. 
3—3. AcrocnorDUS. Spec. 1. 
javensis, (warted or granulated snake,) back black, 
belly whitish with black spots ; teeth in double 
rows. 
See MS. P. 
142—1. Acrina. Spec. 23. 
bellis, (sea-daisie,) body warty ; head resembling 
the calyx of a flower ; tentacula retractile, va- 
riegated. 
ealendula, (sea-marigold,) stem subturbinate ; 
disk surrounded by petal-form tentacula or 
rays. 
See MS. P. 
