Figure 3
Craniofacial development of M. schreibersii fuliginosus , H. armiger and H. pratti. (A1-10) M. schreibersii fuliginosus: (A1) Lateral view of left side of Stage 13 head; (A2-10) Face-on views of Stage 14 (A2), Stage 15 (A3), Stage 16 (A4), Stage 17 (A5), Stage 18 (A6), Stage 20 (A7), Stage 23 (A8), fetal stage (A9), and adult (A10) heads. (B1-10) H. armiger: (B1) Lateral view of left side of Stage 11 head; (A2-9) Face-on views of Stage 14 (B2), Stage 17 (B3), Stage 18 (B4), Stage 19 (B5), Stage 20 (B6), Stage 22 (B7), fetal stage (B8), and adult (B9) heads; (B10) A diagram of an adult H. armiger's face illustrating nose-leaves. (C1-10) H. pratti: (C1) Lateral view of left side of Stage 11 head; (C2-9) Face-on views of Stage 14 (C2), Stage 15 (C3), Stage 16 (C4), Stage 19 (C5), Stage 20 (C6), Stage 22 (C7), fetal stage (C8), and adult (C9) heads; (C10) A diagram of an adult H. pratti's face illustrating nose-leaves. ah, auditory hillocks; at, antitragus; cc, chin cleft; el, eyelid; ep, eyelid primordium; fd, fold; ff, the 4th fold; fs, frontal sac; fsp, frontal sac primordium; ga, glossopharyngeal arch; ha, hyoid arch; hr, hair; lp, lens placode; lv, lens vesicle; md, mandible; mx, maxilla; ma, mandibular arch; mnl, main nose-leaf; nl, nose-leaf; nlp, nose-leaf primordium; np, nasal pit; nr, naris; og, oral groove; ope, optic evagination; opc, optic cup; otv, otic vesicle; pi, pinna; pig, pigment; pr, pigmented retina; pt, protuberance; sf, the second fold; sh, shield; tg, tragus; to, tongue; tp, tooth primordium; vf, vibrissal follicles. Bar = 200 μm in A1-5, B1-2 and C1-3; bar = 1 mm in A6-9, B3-8 and C4-8; bar = 2 mm in A10, B9 and C9.