Final answer:
Marceline Boule's specific reaction to Neanderthals is not mentioned in the provided information. However, she was a French paleontologist known for her research on Neanderthal morphology.
Step-by-step explanation:
Marceline Boule's reaction to Neanderthals is not mentioned in the provided information. Therefore, we cannot determine her specific reaction to Neanderthals. Marceline Boule was a French paleontologist known for her research on Neanderthals, particularly in the field of Neanderthal morphology. Her work focused on studying Neanderthal skeletal remains to understand their physical characteristics and how they differed from modern humans.