Table 2.

Number of boutons on reconstructed branches in each layer.

Type of branch	Type 1										Type 2
Branch No.	#1	#2	#3	#4	#5	#6			#7		#8	#9		#10
Sub-branch No.						#6-1	#6-2	#6-3	#7-1	#7-2		#9-1	#9-2	#10-1	#10-2
Layer I	108	103	46	62	57	127	61	50	52	70	37	73	13	16	5
Layer II	4	0	3	0	2	0	0	1	0	0	0	1	22	2	0
Layer III/IV	9	5	0	0	0	1	5	14	1	0	77	144	148	45	47
Layer V	17	0	0	0	0	5	11	4	0	0	6	0	2	2
Layer VI	21	0	3	1	2	2	4	4	0		1	2		0
Total	159	108	52	63	61	289			123		121	405		94