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a.1.(Zool.) Below the lower lip; - said of certain scales of reptiles and fishes.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Ventral surface of the head Cream White (52) with Hair Brown (227) stipples concentrated in the infralabial area.
A large size (LHC 1008-1022 mm) in both specimens; 17 rows of smooth scales on the middle section of the body; three preocular scales and two postocular scales on each side of the head; eight supra and infralabial scales in both specimens.
MHN-UC 0123 MHN-UC 0133 MHN-UC 0134 Sex [masculinidad] [feminidad] [masculinidad] Snout vent lenght (mm) 352 369 330 Tail lenght (mm) 95 42 202 Dorsal scale rows 17 17 17 Ventral scales 144 144 150 Subcaudal scales 34 17 85 Supralabial scales 7 7 7 Infralabial scales 7 7 7 Preocular/subpreocular 2/1 2/1 2/1 Postocular scales 2 2 2
texana head markings in the area of sympatry include a large yellow post-orbital spot, bold supralabial and infralabial stripes, and numerous ventral medial stripes.
Measurements and scale counts follow Peters (1964): 1) head length; 2) head width; 3) snout length; 4) interorbital length; 5) rostral height, 6) rostral width, 7) supralabial scales; 8) infralabial scales; 9) preocular scales; 10) postocular scales; 11) interocular scales; 12) canthal scales; 13) post-canthals (marginal head scales between the canthal and supraocular); 14) intercanthal scales; 15) foveals; 16) internasals (separated or not); 17) ventrals (Dowling 1951); 18) preventrals; 19) subcaudals; 20) dorsal scale rows; 21) loreals; 22) interrictals (supracephalic scales between last supralabials); 23) nasofrontals (scales anterior to and including the interoculars, Porras et al.
The outer labiomental row extends anteriorly to the mental (M) or to the level of the 1st or 2nd infralabial as follows: 1-1, 77; 1-?, 2; 2-2, 1; M-1, 5; M-M, 5; M-?, 1.
Black pigment on the snout of the paratype is practically identical in extent to that of the holotype; on the lower jaw it includes the entire mental and most of the adjacent first infralabial scales.
* Loreal region (pre/postoculars, loreals, supralabials and infralabials)
The following counts were taken: number of ventrals (VS), number of subcaudals (SC), number of dorsals 1-head length behind the head (DS1), number of dorsals at the position of middle ventral (DS2), number of dorsals 1-head length before the tail (DS3), number of infralabials touched by the first sublabial (ISL), number of supralabials (Left + Right) (SL1), number of supralabials touching the eyes (Left + Right) (SL2), number of loreals (Left + Right) (LR), number of infralabials (Left + Right) (IL), number of temporals (Left + Right) (TP), number of postoculars (Left + Right) (PO), number of supralabials (Left + Right) (SL).