Fig. 4 in Differentiation of skull morphology and cranial kinesis in common toads

Fig. 4 The degree of bone connectedness in Bufo bufo skulls illustrated in ventral view. The individuals with different cranial kinesis scores(CK i) are shown as follows: left CKi= 1, middle CK i= 2 and rightCK i = 5. Arrows point to connected bones. The abbreviations are