PLATE XV. 



FIG. 1. Linyulella latvis var. yrandis, n. var. a Interior of ventral valve (Legend, 

 a Pedicle groove, b Pseudodeltidiurn, c Areal border, d Transmedian muscle- 

 scar, e Scar of laterals, / Lateral septum, bordering vascular trunk, g Position 

 of anterior adductor ? h Front of visceral callus, i Deltidial suture, j Sinew 

 of pedicle ? k, point of attachment of same? Valve mag. f. &, Cardinal 

 area and. pedicle and pedicle mag. \ to show the core and muscular coat 

 of the pedicle c cross section of same Mag -V 1 . All from Band C. 3 a 

 at St. John, N. B. See p. 200. 



FIG. 1. Linyulella Iteris var. yrandis, n. var. d, Interior of the dorsal valve part- 

 ly exfoliated (legend a, Areal border b, Deltidial suture c, place of umbonal 

 muscle, d, umbonal scar? c, parietal band /, lateral branches of vascular 

 trunks y, transmedian muscle (?) laterals behind it, h, adductor muscles, i, 

 median septum./, anterior lateral muscle k, print of vascular trunks I. 

 mantle border m, median sulcus, n, traces of vascular rays). Valve magni- 

 fied J. From Band C. 3 a, at Escasonie shore, East bay, N. S. See p. 200. 



FIG. 2; Linijulella radula var. aspera n. var. a, ventral valve b, mould of interior of 

 same, mostly uncovered d, another mould quite decorticated. All Mag. 

 f . From Band C. 2 c, at McNeill brook, Mira river, N. S. See p. 204. 



FJG. 3. Linyulella Icevis, var. lens, a, ventral valve b, mould of interior of same, 

 c, longitudinal section of same d. dorsal valve e, interior of same/, longi- 

 tudinal section of same. All mag. -f. g, sculpture of a layer at the margin 

 of the shell h, sculpture toward the median line. Both magnified f. All 

 from Band C. 3 a at Escasonie shore, East bay, N. S. See p. 201. 



