The abundance of bizarre , luxuriant , and unknown forms in this collection was so fascinating that Heinrich made his own expedition to the Chin Hills of Burma in 1937 and 1938 .
The material he collected was sent to Heinrich for identification and classification .
The abundance of bizarre , luxuriant , and unknown forms in this collection was so fascinating that Heinrich made Heinrich 's own expedition to the Chin Hills of Burma in 1937 and 1938 .
The material he collected was sent to Heinrich for identification and classification .