A Manual of the Vertebrate Animals of the Northern United States
The book A Manual of the Vertebrate Animals of the Northern United States was written by author Jordan David Starr Here you can read free online of A Manual of the Vertebrate Animals of the Northern United States book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A Manual of the Vertebrate Animals of the Northern United States a good or bad book?
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Gill rakers slender, rather long ; mouth oblique ; A. Inserted rather posteriorly; preorbital narrow; slits and pores of upper jaw little developed; preopercle serrate, its lowest spine enlarged, turned downward; head not very broad, not spongy above. BAIRDIELLA, 174. dd. Gill rakers rather short and thick; anal further forward; snout with large pores, and 2 to 4 slits on its edge ; preorbital broad ; mouth inferior ............. SCI^ENA, 175. cc. Teeth very small, subequal, those in lower jaw ...lost with age ; lower pharyngeals broad, with paved teeth; gill rakers short, but slender, otherwise as in Sciixna ......... LEIOSTOMUS, 176. yy. Lower jaw with one or more barbels (otherwise essentially as in Sci- cena). e. Lower jaw with several slender barbels at its rami; preopercle serrate ............. MICROPOGON, 177. ee. Lower jaw with one thickish barbel at its tip; no air-bladder; anal spine single; body long and low; preopercle crenulate. MENTICIRRHUS, 178. xx. Lower pharyngeals very large, completely united, with coarse paved teeth ; snout, etc.
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